diff --git a/CHANGELOG.md b/CHANGELOG.md
index 81c8180e3c..4f6d405e00 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [2.1.6](https://www.github.com/googleapis/java-storage/compare/v2.1.5...v2.1.6) (2021-09-24)
+
+
+### Dependencies
+
+* update kms.version to v0.92.2 ([#1039](https://www.github.com/googleapis/java-storage/issues/1039)) ([d6a0542](https://www.github.com/googleapis/java-storage/commit/d6a0542f5fd290a0bdc2755f81a49f55724662b2))
+
 ### [2.1.5](https://www.github.com/googleapis/java-storage/compare/v2.1.4...v2.1.5) (2021-09-22)
 
 
diff --git a/gapic-google-cloud-storage-v2/pom.xml b/gapic-google-cloud-storage-v2/pom.xml
index ea2b93c9dc..1547030bf5 100644
--- a/gapic-google-cloud-storage-v2/pom.xml
+++ b/gapic-google-cloud-storage-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>gapic-google-cloud-storage-v2</artifactId>
-  <version>2.1.5-alpha</version><!-- {x-version-update:gapic-google-cloud-storage-v2:current} -->
+  <version>2.1.6-alpha</version><!-- {x-version-update:gapic-google-cloud-storage-v2:current} -->
   <name>gapic-google-cloud-storage-v2</name>
   <description>GRPC library for gapic-google-cloud-storage-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-storage-parent</artifactId>
-    <version>2.1.5</version><!-- {x-version-update:google-cloud-storage:current} -->
+    <version>2.1.6</version><!-- {x-version-update:google-cloud-storage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/google-cloud-storage/pom.xml b/google-cloud-storage/pom.xml
index ebd18ebc1c..b5e7051455 100644
--- a/google-cloud-storage/pom.xml
+++ b/google-cloud-storage/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <artifactId>google-cloud-storage</artifactId>
-  <version>2.1.5</version><!-- {x-version-update:google-cloud-storage:current} -->
+  <version>2.1.6</version><!-- {x-version-update:google-cloud-storage:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Storage</name>
   <url>https://github.com/googleapis/java-storage</url>
@@ -12,11 +12,11 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-storage-parent</artifactId>
-    <version>2.1.5</version><!-- {x-version-update:google-cloud-storage:current} -->
+    <version>2.1.6</version><!-- {x-version-update:google-cloud-storage:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-storage</site.installationModule>
-    <kms.version>0.92.1</kms.version>
+    <kms.version>0.92.2</kms.version>
   </properties>
   <dependencies>
     <dependency>
diff --git a/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/CtxFunctions.java b/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/CtxFunctions.java
index 57121451a6..5bf0c22bd1 100644
--- a/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/CtxFunctions.java
+++ b/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/CtxFunctions.java
@@ -27,6 +27,7 @@
 import com.google.cloud.storage.BlobInfo;
 import com.google.cloud.storage.Bucket;
 import com.google.cloud.storage.BucketInfo;
+import com.google.cloud.storage.HmacKey;
 import com.google.cloud.storage.ServiceAccount;
 import com.google.cloud.storage.conformance.retry.Functions.CtxFunction;
 import com.google.common.base.Joiner;
@@ -97,11 +98,16 @@ static final class ResourceSetup {
           Blob resolvedBlob = ctx.getStorage().create(blobInfo);
           return ctx.map(s -> s.with(resolvedBlob));
         };
-    private static final CtxFunction serviceAccount =
+    static final CtxFunction serviceAccount =
         (ctx, c) ->
             ctx.map(s -> s.with(ServiceAccount.of(c.getServiceAccountSigner().getAccount())));
-    private static final CtxFunction hmacKey =
-        (ctx, c) -> ctx.map(s -> s.with(ctx.getStorage().createHmacKey(s.getServiceAccount())));
+    static final CtxFunction hmacKey =
+        (ctx, c) ->
+            ctx.map(
+                s -> {
+                  HmacKey hmacKey1 = ctx.getStorage().createHmacKey(s.getServiceAccount());
+                  return s.withHmacKey(hmacKey1).with(hmacKey1.getMetadata());
+                });
 
     private static final CtxFunction processResources =
         (ctx, c) -> {
diff --git a/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/ITRetryConformanceTest.java b/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/ITRetryConformanceTest.java
index 73f15112b5..59510de705 100644
--- a/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/ITRetryConformanceTest.java
+++ b/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/ITRetryConformanceTest.java
@@ -32,6 +32,7 @@
 import com.google.common.base.Charsets;
 import com.google.common.base.Joiner;
 import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
 import com.google.protobuf.util.JsonFormat;
 import java.io.IOException;
 import java.io.InputStream;
@@ -40,6 +41,7 @@
 import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
@@ -332,10 +334,12 @@ static BiPredicate<RpcMethod, TestRetryConformance> includeAll() {
 
     /**
      * Filtering predicate in which only those test cases which match up to the specified {@code
-     * mappingId} will be included and run.
+     * mappingIds} will be included and run.
      */
-    static BiPredicate<RpcMethod, TestRetryConformance> individualMapping(int mappingId) {
-      return (m, c) -> c.getMappingId() == mappingId;
+    static BiPredicate<RpcMethod, TestRetryConformance> specificMappings(int... mappingIds) {
+      ImmutableSet<Integer> set =
+          Arrays.stream(mappingIds).boxed().collect(ImmutableSet.toImmutableSet());
+      return (m, c) -> set.contains(c.getMappingId());
     }
 
     static final class Builder {
diff --git a/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/RpcMethodMappings.java b/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/RpcMethodMappings.java
index 9be5054000..af756b6aed 100644
--- a/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/RpcMethodMappings.java
+++ b/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/RpcMethodMappings.java
@@ -20,17 +20,22 @@
 import static com.google.cloud.storage.conformance.retry.CtxFunctions.Local.blobInfoWithGenerationZero;
 import static com.google.cloud.storage.conformance.retry.CtxFunctions.Local.blobInfoWithoutGeneration;
 import static com.google.cloud.storage.conformance.retry.CtxFunctions.Local.bucketInfo;
+import static com.google.cloud.storage.conformance.retry.CtxFunctions.ResourceSetup.defaultSetup;
+import static com.google.cloud.storage.conformance.retry.CtxFunctions.ResourceSetup.serviceAccount;
 import static com.google.common.base.Predicates.not;
 import static com.google.common.collect.Lists.newArrayList;
 import static com.google.common.truth.Truth.assertThat;
 import static org.junit.Assert.assertTrue;
 
+import com.google.cloud.BaseServiceException;
 import com.google.cloud.Policy;
 import com.google.cloud.ReadChannel;
+import com.google.cloud.RetryHelper.RetryHelperException;
 import com.google.cloud.WriteChannel;
 import com.google.cloud.storage.Acl.User;
 import com.google.cloud.storage.Blob;
 import com.google.cloud.storage.Bucket;
+import com.google.cloud.storage.HmacKey.HmacKeyMetadata;
 import com.google.cloud.storage.HmacKey.HmacKeyState;
 import com.google.cloud.storage.HttpMethod;
 import com.google.cloud.storage.Storage;
@@ -71,6 +76,7 @@
 import com.google.errorprone.annotations.Immutable;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
+import java.io.IOException;
 import java.io.OutputStream;
 import java.net.URL;
 import java.nio.ByteBuffer;
@@ -535,15 +541,14 @@ private static void patch(ArrayList<RpcMethodMapping> a) {
             RpcMethodMapping.newBuilder(122, buckets.patch)
                 .withApplicable(TestRetryConformance::isPreconditionsProvided)
                 .withTest(
-                    bucketInfo.andThen(
-                        (ctx, c) ->
-                            ctx.map(
-                                state ->
-                                    state.with(
-                                        ctx.getStorage()
-                                            .update(
-                                                state.getBucketInfo(),
-                                                BucketTargetOption.metagenerationMatch())))))
+                    (ctx, c) ->
+                        ctx.map(
+                            state ->
+                                state.with(
+                                    ctx.getStorage()
+                                        .update(
+                                            state.getBucket(),
+                                            BucketTargetOption.metagenerationMatch()))))
                 .build());
         a.add(
             RpcMethodMapping.newBuilder(101, buckets.patch)
@@ -589,30 +594,18 @@ private static void lockRetentionPolicy(ArrayList<RpcMethodMapping> a) {
                                                 state.getBucketInfo(),
                                                 BucketTargetOption.metagenerationMatch())))))
                 .build());
-        a.add(
-            RpcMethodMapping.newBuilder(99, buckets.lockRetentionPolicy)
-                .withTest(
-                    bucketInfo
-                        .andThen(Rpc.bucket)
-                        .andThen(
-                            (ctx, c) ->
-                                ctx.map(
-                                    state -> state.with(state.getBucket().lockRetentionPolicy()))))
-                .build());
         a.add(
             RpcMethodMapping.newBuilder(100, buckets.lockRetentionPolicy)
+                .withApplicable(TestRetryConformance::isPreconditionsProvided)
                 .withTest(
-                    bucketInfo
-                        .andThen(Rpc.bucket)
-                        .andThen(
-                            (ctx, c) ->
-                                ctx.map(
-                                    state ->
-                                        state.with(
-                                            state
-                                                .getBucket()
-                                                .lockRetentionPolicy(
-                                                    BucketTargetOption.metagenerationMatch())))))
+                    (ctx, c) ->
+                        ctx.map(
+                            state ->
+                                state.with(
+                                    state
+                                        .getBucket()
+                                        .lockRetentionPolicy(
+                                            BucketTargetOption.metagenerationMatch()))))
                 .build());
       }
 
@@ -784,6 +777,22 @@ static final class HmacKey {
       private static void delete(ArrayList<RpcMethodMapping> a) {
         a.add(
             RpcMethodMapping.newBuilder(26, hmacKey.delete)
+                .withSetup(
+                    defaultSetup.andThen(
+                        (ctx, c) ->
+                            ctx.map(
+                                state -> {
+                                  Storage storage = ctx.getStorage();
+                                  HmacKeyMetadata metadata = state.getHmacKey().getMetadata();
+                                  // for delete we're only using the metadata, clear the key that
+                                  // was populated
+                                  // in defaultSetup and specify the updated metadata
+                                  return state
+                                      .withHmacKey(null)
+                                      .with(
+                                          storage.updateHmacKeyState(
+                                              metadata, HmacKeyState.INACTIVE));
+                                })))
                 .withTest(
                     (ctx, c) ->
                         ctx.map(
@@ -791,7 +800,7 @@ private static void delete(ArrayList<RpcMethodMapping> a) {
                                 state.consume(
                                     () ->
                                         ctx.getStorage()
-                                            .deleteHmacKey(state.getHmacKey().getMetadata()))))
+                                            .deleteHmacKey(state.getHmacKeyMetadata()))))
                 .build());
       }
 
@@ -835,11 +844,12 @@ private static void update(ArrayList<RpcMethodMapping> a) {
       private static void create(ArrayList<RpcMethodMapping> a) {
         a.add(
             RpcMethodMapping.newBuilder(25, hmacKey.create)
+                .withSetup(defaultSetup.andThen(serviceAccount))
                 .withTest(
                     (ctx, c) ->
                         ctx.map(
                             state ->
-                                state.with(
+                                state.withHmacKey(
                                     ctx.getStorage().createHmacKey(state.getServiceAccount()))))
                 .build());
       }
@@ -1130,11 +1140,21 @@ private static void get(ArrayList<RpcMethodMapping> a) {
                         (ctx, c) ->
                             ctx.peek(
                                 state -> {
-                                  ReadChannel reader =
-                                      ctx.getStorage().reader(ctx.getState().getBlobId());
-                                  WritableByteChannel write =
-                                      Channels.newChannel(NullOutputStream.INSTANCE);
-                                  ByteStreams.copy(reader, write);
+                                  try {
+                                    ReadChannel reader =
+                                        ctx.getStorage().reader(ctx.getState().getBlobId());
+                                    WritableByteChannel write =
+                                        Channels.newChannel(NullOutputStream.INSTANCE);
+                                    ByteStreams.copy(reader, write);
+                                  } catch (IOException e) {
+                                    if (e.getCause() instanceof RetryHelperException) {
+                                      RetryHelperException cause =
+                                          (RetryHelperException) e.getCause();
+                                      if (cause.getCause() instanceof BaseServiceException) {
+                                        throw cause.getCause();
+                                      }
+                                    }
+                                  }
                                 })))
                 .build());
         a.add(
@@ -1144,14 +1164,24 @@ private static void get(ArrayList<RpcMethodMapping> a) {
                         (ctx, c) ->
                             ctx.peek(
                                 state -> {
-                                  ReadChannel reader =
-                                      ctx.getStorage()
-                                          .reader(
-                                              ctx.getState().getBlobId().getBucket(),
-                                              ctx.getState().getBlobId().getName());
-                                  WritableByteChannel write =
-                                      Channels.newChannel(NullOutputStream.INSTANCE);
-                                  ByteStreams.copy(reader, write);
+                                  try {
+                                    ReadChannel reader =
+                                        ctx.getStorage()
+                                            .reader(
+                                                ctx.getState().getBlobId().getBucket(),
+                                                ctx.getState().getBlobId().getName());
+                                    WritableByteChannel write =
+                                        Channels.newChannel(NullOutputStream.INSTANCE);
+                                    ByteStreams.copy(reader, write);
+                                  } catch (IOException e) {
+                                    if (e.getCause() instanceof RetryHelperException) {
+                                      RetryHelperException cause =
+                                          (RetryHelperException) e.getCause();
+                                      if (cause.getCause() instanceof BaseServiceException) {
+                                        throw cause.getCause();
+                                      }
+                                    }
+                                  }
                                 })))
                 .build());
         a.add(
diff --git a/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/State.java b/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/State.java
index dd0fcebc6d..8dafa7c17f 100644
--- a/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/State.java
+++ b/google-cloud-storage/src/test/java/com/google/cloud/storage/conformance/retry/State.java
@@ -211,7 +211,7 @@ public HmacKey getHmacKey() {
     return getValue(KEY_HMAC_KEY);
   }
 
-  public State with(HmacKey hmacKey) {
+  public State withHmacKey(HmacKey hmacKey) {
     return newStateWith(KEY_HMAC_KEY, hmacKey);
   }
 
diff --git a/grpc-google-cloud-storage-v2/pom.xml b/grpc-google-cloud-storage-v2/pom.xml
index 9dc9df3117..4e14cd7802 100644
--- a/grpc-google-cloud-storage-v2/pom.xml
+++ b/grpc-google-cloud-storage-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-storage-v2</artifactId>
-  <version>2.1.5-alpha</version><!-- {x-version-update:grpc-google-cloud-storage-v2:current} -->
+  <version>2.1.6-alpha</version><!-- {x-version-update:grpc-google-cloud-storage-v2:current} -->
   <name>grpc-google-cloud-storage-v2</name>
   <description>GRPC library for grpc-google-cloud-storage-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-storage-parent</artifactId>
-    <version>2.1.5</version><!-- {x-version-update:google-cloud-storage:current} -->
+    <version>2.1.6</version><!-- {x-version-update:google-cloud-storage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 77e81cbb92..c461cc25eb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-storage-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.1.5</version><!-- {x-version-update:google-cloud-storage:current} -->
+  <version>2.1.6</version><!-- {x-version-update:google-cloud-storage:current} -->
   <name>Storage Parent</name>
   <url>https://github.com/googleapis/java-storage</url>
   <description>
@@ -93,17 +93,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-storage-v2</artifactId>
-        <version>2.1.5-alpha</version><!-- {x-version-update:proto-google-cloud-storage-v2:current} -->
+        <version>2.1.6-alpha</version><!-- {x-version-update:proto-google-cloud-storage-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-storage-v2</artifactId>
-        <version>2.1.5-alpha</version><!-- {x-version-update:grpc-google-cloud-storage-v2:current} -->
+        <version>2.1.6-alpha</version><!-- {x-version-update:grpc-google-cloud-storage-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>gapic-google-cloud-storage-v2</artifactId>
-        <version>2.1.5-alpha</version><!-- {x-version-update:grpc-google-cloud-storage-v2:current} -->
+        <version>2.1.6-alpha</version><!-- {x-version-update:grpc-google-cloud-storage-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
diff --git a/proto-google-cloud-storage-v2/pom.xml b/proto-google-cloud-storage-v2/pom.xml
index 9cb6a94c67..abcc1d3f3a 100644
--- a/proto-google-cloud-storage-v2/pom.xml
+++ b/proto-google-cloud-storage-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-storage-v2</artifactId>
-  <version>2.1.5-alpha</version><!-- {x-version-update:proto-google-cloud-storage-v2:current} -->
+  <version>2.1.6-alpha</version><!-- {x-version-update:proto-google-cloud-storage-v2:current} -->
   <name>proto-google-cloud-storage-v2</name>
   <description>PROTO library for proto-google-cloud-storage-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-storage-parent</artifactId>
-    <version>2.1.5</version><!-- {x-version-update:google-cloud-storage:current} -->
+    <version>2.1.6</version><!-- {x-version-update:google-cloud-storage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/renovate.json b/renovate.json
index 2c84ceb069..f249b081c8 100644
--- a/renovate.json
+++ b/renovate.json
@@ -70,8 +70,5 @@
     }
   ],
   "semanticCommits": true,
-  "dependencyDashboard": true,
-  "dependencyDashboardLabels": [
-    "type: process"
-  ]
+  "dependencyDashboard": true
 }
diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index a259ce887d..1690c2f4dc 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-storage</artifactId>
-      <version>2.1.4</version>
+      <version>2.1.5</version>
     </dependency>
     <!-- [END storage_install_without_bom] -->
 
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 9f32665272..cd1a26d921 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-storage</artifactId>
-      <version>2.1.4</version>
+      <version>2.1.5</version>
     </dependency>
 
     <dependency>
diff --git a/synth.metadata b/synth.metadata
index 41ac5ab851..56fd80e985 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-storage.git",
-        "sha": "c339b721d88e533c441e15d18287adb83b418581"
+        "sha": "d6d95456f1e300ca4a9dc4b1c47940dea7b3a82a"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "396d9b84a1e93880f5bf88b59ecd38a0a6dffc5e"
+        "sha": "0752ff727a19a467dffed335d5e59303689cf0d1"
       }
     }
   ],
diff --git a/versions.txt b/versions.txt
index 7be257a6c7..f7427a34f1 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,7 +1,7 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-storage:2.1.5:2.1.5
-gapic-google-cloud-storage-v2:2.1.5-alpha:2.1.5-alpha
-grpc-google-cloud-storage-v2:2.1.5-alpha:2.1.5-alpha
-proto-google-cloud-storage-v2:2.1.5-alpha:2.1.5-alpha
+google-cloud-storage:2.1.6:2.1.6
+gapic-google-cloud-storage-v2:2.1.6-alpha:2.1.6-alpha
+grpc-google-cloud-storage-v2:2.1.6-alpha:2.1.6-alpha
+proto-google-cloud-storage-v2:2.1.6-alpha:2.1.6-alpha