diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index 3f7432a5..34f691d3 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/repo-automation-bots/owlbot-java:latest
-  digest: sha256:12cbdc4f137152a1a8b83f50ebc1a4098be0d3baff78b46efaec306f7cfafd13
+  digest: sha256:677e79291a12251a7c7e9c24db87f50ae0428bbb79c2bebc50e4fc5e9ed1ee32
diff --git a/.github/release-trigger.yml b/.github/release-trigger.yml
new file mode 100644
index 00000000..d4ca9418
--- /dev/null
+++ b/.github/release-trigger.yml
@@ -0,0 +1 @@
+enabled: true
diff --git a/.github/sync-repo-settings.yaml b/.github/sync-repo-settings.yaml
index ffd39f6f..32e0ea5a 100644
--- a/.github/sync-repo-settings.yaml
+++ b/.github/sync-repo-settings.yaml
@@ -10,7 +10,6 @@ branchProtectionRules:
     requiredStatusCheckContexts:
       - dependencies (8)
       - dependencies (11)
-      - linkage-monitor
       - lint
       - clirr
       - units (8)
@@ -26,7 +25,6 @@ branchProtectionRules:
     requiredStatusCheckContexts:
       - dependencies (8)
       - dependencies (11)
-      - linkage-monitor
       - lint
       - clirr
       - units (7)
diff --git a/.kokoro/build.sh b/.kokoro/build.sh
index 91a797ed..565a48b3 100755
--- a/.kokoro/build.sh
+++ b/.kokoro/build.sh
@@ -115,7 +115,7 @@ fi
 # fix output location of logs
 bash .kokoro/coerce_logs.sh
 
-if [[ "${ENABLE_BUILD_COP}" == "true" ]]
+if [[ "${ENABLE_FLAKYBOT}" == "true" ]]
 then
     chmod +x ${KOKORO_GFILE_DIR}/linux_amd64/flakybot
     ${KOKORO_GFILE_DIR}/linux_amd64/flakybot -repo=googleapis/java-notebooks
diff --git a/.kokoro/nightly/integration.cfg b/.kokoro/nightly/integration.cfg
index 0048c8ec..e51c7b4c 100644
--- a/.kokoro/nightly/integration.cfg
+++ b/.kokoro/nightly/integration.cfg
@@ -22,7 +22,7 @@ env_vars: {
 }
 
 env_vars: {
-  key: "ENABLE_BUILD_COP"
+  key: "ENABLE_FLAKYBOT"
   value: "true"
 }
 
diff --git a/.kokoro/nightly/samples.cfg b/.kokoro/nightly/samples.cfg
index f2542931..9761fd86 100644
--- a/.kokoro/nightly/samples.cfg
+++ b/.kokoro/nightly/samples.cfg
@@ -33,6 +33,6 @@ env_vars: {
 }
 
 env_vars: {
-  key: "ENABLE_BUILD_COP"
+  key: "ENABLE_FLAKYBOT"
   value: "true"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7100cc91..c257b643 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+### [0.4.1](https://www.github.com/googleapis/java-notebooks/compare/v0.4.0...v0.4.1) (2021-08-25)
+
+
+### Dependencies
+
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2.0.1 ([#231](https://www.github.com/googleapis/java-notebooks/issues/231)) ([bd0444d](https://www.github.com/googleapis/java-notebooks/commit/bd0444d1942d57e105418d0bd01d664ec8c6a000))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2.1.0 ([#235](https://www.github.com/googleapis/java-notebooks/issues/235)) ([e3fd67b](https://www.github.com/googleapis/java-notebooks/commit/e3fd67b1b00b5a8651f2ca30766a76dd72951aec))
+
 ## [0.4.0](https://www.github.com/googleapis/java-notebooks/compare/v0.3.0...v0.4.0) (2021-08-10)
 
 
diff --git a/README.md b/README.md
index 87da2cd3..427b1d85 100644
--- a/README.md
+++ b/README.md
@@ -30,13 +30,13 @@ If you are using Maven, add this to your pom.xml file:
 If you are using Gradle without BOM, add this to your dependencies
 
 ```Groovy
-compile 'com.google.cloud:google-cloud-notebooks:0.3.0'
+compile 'com.google.cloud:google-cloud-notebooks:0.4.0'
 ```
 
 If you are using SBT, add this to your dependencies
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-notebooks" % "0.3.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-notebooks" % "0.4.0"
 ```
 
 ## Authentication
diff --git a/google-cloud-notebooks-bom/pom.xml b/google-cloud-notebooks-bom/pom.xml
index 2be496ef..fcfac930 100644
--- a/google-cloud-notebooks-bom/pom.xml
+++ b/google-cloud-notebooks-bom/pom.xml
@@ -3,12 +3,12 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-notebooks-bom</artifactId>
-  <version>0.4.0</version><!-- {x-version-update:google-cloud-notebooks:current} -->
+  <version>0.4.1</version><!-- {x-version-update:google-cloud-notebooks:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-shared-config</artifactId>
-    <version>1.0.0</version>
+    <version>1.0.1</version>
   </parent>
 
   <name>Google AI Platform Notebooks BOM</name>
@@ -56,17 +56,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-notebooks</artifactId>
-        <version>0.4.0</version><!-- {x-version-update:google-cloud-notebooks:current} -->
+        <version>0.4.1</version><!-- {x-version-update:google-cloud-notebooks:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-notebooks-v1beta1</artifactId>
-        <version>0.4.0</version><!-- {x-version-update:grpc-google-cloud-notebooks-v1beta1:current} -->
+        <version>0.4.1</version><!-- {x-version-update:grpc-google-cloud-notebooks-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-notebooks-v1beta1</artifactId>
-        <version>0.4.0</version><!-- {x-version-update:proto-google-cloud-notebooks-v1beta1:current} -->
+        <version>0.4.1</version><!-- {x-version-update:proto-google-cloud-notebooks-v1beta1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-notebooks/pom.xml b/google-cloud-notebooks/pom.xml
index ce3b23e6..32c0c2c5 100644
--- a/google-cloud-notebooks/pom.xml
+++ b/google-cloud-notebooks/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-notebooks</artifactId>
-  <version>0.4.0</version><!-- {x-version-update:google-cloud-notebooks:current} -->
+  <version>0.4.1</version><!-- {x-version-update:google-cloud-notebooks:current} -->
   <packaging>jar</packaging>
   <name>Google AI Platform Notebooks</name>
   <url>https://github.com/googleapis/java-notebooks</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-notebooks-parent</artifactId>
-    <version>0.4.0</version><!-- {x-version-update:google-cloud-notebooks:current} -->
+    <version>0.4.1</version><!-- {x-version-update:google-cloud-notebooks:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-notebooks</site.installationModule>
diff --git a/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/NotebookServiceStubSettings.java b/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/NotebookServiceStubSettings.java
index 43670127..4e5dde9d 100644
--- a/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/NotebookServiceStubSettings.java
+++ b/google-cloud-notebooks/src/main/java/com/google/cloud/notebooks/v1beta1/stub/NotebookServiceStubSettings.java
@@ -508,7 +508,9 @@ public static List<String> getDefaultServiceScopes() {
 
   /** Returns a builder for the default credentials for this service. */
   public static GoogleCredentialsProvider.Builder defaultCredentialsProviderBuilder() {
-    return GoogleCredentialsProvider.newBuilder().setScopesToApply(DEFAULT_SERVICE_SCOPES);
+    return GoogleCredentialsProvider.newBuilder()
+        .setScopesToApply(DEFAULT_SERVICE_SCOPES)
+        .setUseJwtAccessWithScope(true);
   }
 
   /** Returns a builder for the default ChannelProvider for this service. */
diff --git a/grpc-google-cloud-notebooks-v1beta1/pom.xml b/grpc-google-cloud-notebooks-v1beta1/pom.xml
index 667d2df9..a87f3be5 100644
--- a/grpc-google-cloud-notebooks-v1beta1/pom.xml
+++ b/grpc-google-cloud-notebooks-v1beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-notebooks-v1beta1</artifactId>
-  <version>0.4.0</version><!-- {x-version-update:grpc-google-cloud-notebooks-v1beta1:current} -->
+  <version>0.4.1</version><!-- {x-version-update:grpc-google-cloud-notebooks-v1beta1:current} -->
   <name>grpc-google-cloud-notebooks-v1beta1</name>
   <description>GRPC library for grpc-google-cloud-notebooks-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-notebooks-parent</artifactId>
-    <version>0.4.0</version><!-- {x-version-update:google-cloud-notebooks:current} -->
+    <version>0.4.1</version><!-- {x-version-update:google-cloud-notebooks:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 7ed02d51..0e073422 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-notebooks-parent</artifactId>
   <packaging>pom</packaging>
-  <version>0.4.0</version><!-- {x-version-update:google-cloud-notebooks:current} -->
+  <version>0.4.1</version><!-- {x-version-update:google-cloud-notebooks:current} -->
   <name>Google AI Platform Notebooks Parent</name>
   <url>https://github.com/googleapis/java-notebooks</url>
   <description>
@@ -14,7 +14,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-shared-config</artifactId>
-    <version>1.0.0</version>
+    <version>1.0.1</version>
   </parent>
 
   <developers>
@@ -61,23 +61,23 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-notebooks</artifactId>
-        <version>0.4.0</version><!-- {x-version-update:google-cloud-notebooks:current} -->
+        <version>0.4.1</version><!-- {x-version-update:google-cloud-notebooks:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-notebooks-v1beta1</artifactId>
-        <version>0.4.0</version><!-- {x-version-update:proto-google-cloud-notebooks-v1beta1:current} -->
+        <version>0.4.1</version><!-- {x-version-update:proto-google-cloud-notebooks-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-notebooks-v1beta1</artifactId>
-        <version>0.4.0</version><!-- {x-version-update:grpc-google-cloud-notebooks-v1beta1:current} -->
+        <version>0.4.1</version><!-- {x-version-update:grpc-google-cloud-notebooks-v1beta1:current} -->
       </dependency>
 
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-shared-dependencies</artifactId>
-        <version>2.0.0</version>
+        <version>2.1.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/proto-google-cloud-notebooks-v1beta1/clirr-ignored-differences.xml b/proto-google-cloud-notebooks-v1beta1/clirr-ignored-differences.xml
index 10919cf3..b8ed587f 100644
--- a/proto-google-cloud-notebooks-v1beta1/clirr-ignored-differences.xml
+++ b/proto-google-cloud-notebooks-v1beta1/clirr-ignored-differences.xml
@@ -16,12 +16,4 @@
     <className>com/google/cloud/notebooks/v1beta1/*OrBuilder</className>
     <method>boolean has*(*)</method>
   </difference>
-  <difference>
-    <differenceType>8001</differenceType>
-    <className>com/google/cloud/notebooks/v1beta1/Environment*</className>
-  </difference>
-  <difference>
-    <differenceType>8001</differenceType>
-    <className>com/google/cloud/notebooks/v1beta1/Instance*</className>
-  </difference>
-</differences>
\ No newline at end of file
+</differences>
diff --git a/proto-google-cloud-notebooks-v1beta1/pom.xml b/proto-google-cloud-notebooks-v1beta1/pom.xml
index ddb4a01d..49090894 100644
--- a/proto-google-cloud-notebooks-v1beta1/pom.xml
+++ b/proto-google-cloud-notebooks-v1beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-notebooks-v1beta1</artifactId>
-  <version>0.4.0</version><!-- {x-version-update:proto-google-cloud-notebooks-v1beta1:current} -->
+  <version>0.4.1</version><!-- {x-version-update:proto-google-cloud-notebooks-v1beta1:current} -->
   <name>proto-google-cloud-notebooks-v1beta1</name>
   <description>PROTO library for proto-google-cloud-notebooks-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-notebooks-parent</artifactId>
-    <version>0.4.0</version><!-- {x-version-update:google-cloud-notebooks:current} -->
+    <version>0.4.1</version><!-- {x-version-update:google-cloud-notebooks:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 7d5cc2e3..5700110b 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-notebooks</artifactId>
-      <version>0.4.0</version>
+      <version>0.4.1</version>
     </dependency>
   <!-- {x-version-update-end} -->
 
diff --git a/versions.txt b/versions.txt
index 37150f00..d53e2691 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-notebooks:0.4.0:0.4.0
-grpc-google-cloud-notebooks-v1beta1:0.4.0:0.4.0
-proto-google-cloud-notebooks-v1beta1:0.4.0:0.4.0
+google-cloud-notebooks:0.4.1:0.4.1
+grpc-google-cloud-notebooks-v1beta1:0.4.1:0.4.1
+proto-google-cloud-notebooks-v1beta1:0.4.1:0.4.1