diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 6137bef2..30fdb7b9 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -4,5 +4,7 @@
 # For syntax help see:
 # https://help.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners#codeowners-syntax
 
+*                       @googleapis/yoshi-java
+
 # The java-samples-reviewers team is the default owner for samples changes
 samples/**/*.java       @googleapis/java-samples-reviewers
diff --git a/.github/workflows/auto-release.yaml b/.github/workflows/auto-release.yaml
new file mode 100644
index 00000000..d26427e4
--- /dev/null
+++ b/.github/workflows/auto-release.yaml
@@ -0,0 +1,69 @@
+on:
+  pull_request:
+name: auto-release
+jobs:
+  approve:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/github-script@v3.0.0
+      with:
+        github-token: ${{secrets.GITHUB_TOKEN}}
+        debug: true
+        script: |
+          // only approve PRs from release-please[bot]
+          if (context.payload.pull_request.user.login !== "release-please[bot]") {
+            return;
+          }
+
+          // only approve PRs like "chore: release <release version>"
+          if ( !context.payload.pull_request.title.startsWith("chore: release") ) {
+            return;
+          }
+
+          // trigger auto-release when
+          // 1) it is a SNAPSHOT release (auto-generated post regular release)
+          // 2) there are dependency updates only
+          // 3) there are no open dependency update PRs in this repo (to avoid multiple releases)
+          if (
+            context.payload.pull_request.body.includes("Fix") ||
+            context.payload.pull_request.body.includes("Build") ||
+            context.payload.pull_request.body.includes("Documentation") ||
+            context.payload.pull_request.body.includes("BREAKING CHANGES") ||
+            context.payload.pull_request.body.includes("Features")
+          ) {
+            console.log( "Not auto-releasing since it is not a dependency-update-only release." );
+            return;
+          }
+
+          const promise = github.pulls.list.endpoint({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            state: 'open'
+          });
+          const open_pulls = await github.paginate(promise)
+
+          if ( open_pulls.length > 1 && !context.payload.pull_request.title.includes("SNAPSHOT") ) {
+            for ( const pull of open_pulls ) {
+              if ( pull.title.startsWith("deps: update dependency") ) {
+                console.log( "Not auto-releasing yet since there are dependency update PRs open in this repo." );
+                return;
+              }
+            }
+          }
+
+          // approve release PR
+          await github.pulls.createReview({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            body: 'Rubber stamped release!',
+            pull_number: context.payload.pull_request.number,
+            event: 'APPROVE'
+          });
+
+          // attach kokoro:force-run and automerge labels
+          await github.issues.addLabels({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            issue_number: context.payload.pull_request.number,
+            labels: ['kokoro:force-run', 'automerge']
+          });
\ No newline at end of file
diff --git a/.github/workflows/samples.yaml b/.github/workflows/samples.yaml
new file mode 100644
index 00000000..a1d50073
--- /dev/null
+++ b/.github/workflows/samples.yaml
@@ -0,0 +1,14 @@
+on:
+  pull_request:
+name: samples
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-java@v1
+        with:
+          java-version: 8
+      - name: Run checkstyle
+        run: mvn -P lint --quiet --batch-mode checkstyle:check
+        working-directory: samples/snippets
diff --git a/.kokoro/release/stage.cfg b/.kokoro/release/stage.cfg
index e1b2058a..f97e4d2f 100644
--- a/.kokoro/release/stage.cfg
+++ b/.kokoro/release/stage.cfg
@@ -13,32 +13,7 @@ action {
   }
 }
 
-# Fetch the token needed for reporting release status to GitHub
-before_action {
-  fetch_keystore {
-    keystore_resource {
-      keystore_config_id: 73713
-      keyname: "yoshi-automation-github-key"
-    }
-  }
-}
-
-# Fetch magictoken to use with Magic Github Proxy
-before_action {
-  fetch_keystore {
-    keystore_resource {
-      keystore_config_id: 73713
-      keyname: "releasetool-magictoken"
-    }
-  }
-}
-
-# Fetch api key to use with Magic Github Proxy
-before_action {
-  fetch_keystore {
-    keystore_resource {
-      keystore_config_id: 73713
-      keyname: "magic-github-proxy-api-key"
-    }
-  }
+env_vars: {
+  key: "SECRET_MANAGER_KEYS"
+  value: "releasetool-publish-reporter-app,releasetool-publish-reporter-googleapis-installation,releasetool-publish-reporter-pem"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5808e851..657dc1bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [0.2.3](https://www.github.com/googleapis/java-document-ai/compare/v0.2.2...v0.2.3) (2020-09-23)
+
+
+### Dependencies
+
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.9.0 ([#165](https://www.github.com/googleapis/java-document-ai/issues/165)) ([884df24](https://www.github.com/googleapis/java-document-ai/commit/884df24ab6b1c719b1fb51aa995e4494c7d62cb1))
+
 ### [0.2.2](https://www.github.com/googleapis/java-document-ai/compare/v0.2.1...v0.2.2) (2020-08-19)
 
 
diff --git a/README.md b/README.md
index d2792b0d..0618f689 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ If you are using Maven with [BOM][libraries-bom], add this to your pom.xml file
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>libraries-bom</artifactId>
-      <version>9.0.0</version>
+      <version>9.1.0</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
@@ -41,7 +41,7 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-document-ai</artifactId>
-  <version>0.2.0</version>
+  <version>0.2.1</version>
 </dependency>
 
 ```
@@ -50,11 +50,11 @@ If you are using Maven without BOM, add this to your dependencies:
 
 If you are using Gradle, add this to your dependencies
 ```Groovy
-compile 'com.google.cloud:google-cloud-document-ai:0.2.2'
+compile 'com.google.cloud:google-cloud-document-ai:0.2.3'
 ```
 If you are using SBT, add this to your dependencies
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-document-ai" % "0.2.2"
+libraryDependencies += "com.google.cloud" % "google-cloud-document-ai" % "0.2.3"
 ```
 [//]: # ({x-version-update-end})
 
diff --git a/google-cloud-document-ai-bom/pom.xml b/google-cloud-document-ai-bom/pom.xml
index ee5b8345..6577590d 100644
--- a/google-cloud-document-ai-bom/pom.xml
+++ b/google-cloud-document-ai-bom/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-bom</artifactId>
-    <version>0.2.2</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>0.2.3</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
     <packaging>pom</packaging>
     <parent>
         <groupId>com.google.cloud</groupId>
@@ -61,27 +61,27 @@
             <dependency>
                 <groupId>com.google.api.grpc</groupId>
                 <artifactId>proto-google-cloud-document-ai-v1beta1</artifactId>
-                <version>0.2.2</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta1:current} -->
+                <version>0.2.3</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta1:current} -->
             </dependency>
             <dependency>
                 <groupId>com.google.api.grpc</groupId>
                 <artifactId>proto-google-cloud-document-ai-v1beta2</artifactId>
-                <version>0.2.2</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta2:current} -->
+                <version>0.2.3</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta2:current} -->
             </dependency>
             <dependency>
                 <groupId>com.google.api.grpc</groupId>
                 <artifactId>grpc-google-cloud-document-ai-v1beta1</artifactId>
-                <version>0.2.2</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta1:current} -->
+                <version>0.2.3</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta1:current} -->
             </dependency>
             <dependency>
                 <groupId>com.google.api.grpc</groupId>
                 <artifactId>grpc-google-cloud-document-ai-v1beta2</artifactId>
-                <version>0.2.2</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta2:current} -->
+                <version>0.2.3</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta2:current} -->
             </dependency>
             <dependency>
                 <groupId>com.google.cloud</groupId>
                 <artifactId>google-cloud-document-ai</artifactId>
-                <version>0.2.2</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+                <version>0.2.3</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
             </dependency>
         </dependencies>
     </dependencyManagement>
diff --git a/google-cloud-document-ai/pom.xml b/google-cloud-document-ai/pom.xml
index 5f855ca2..42855e18 100644
--- a/google-cloud-document-ai/pom.xml
+++ b/google-cloud-document-ai/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-document-ai</artifactId>
-  <version>0.2.2</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+  <version>0.2.3</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Document AI</name>
   <url>https://github.com/googleapis/java-document-ai</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-parent</artifactId>
-    <version>0.2.2</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>0.2.3</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-document-ai</site.installationModule>
diff --git a/grpc-google-cloud-document-ai-v1beta1/pom.xml b/grpc-google-cloud-document-ai-v1beta1/pom.xml
index 0e1167bd..92180a10 100644
--- a/grpc-google-cloud-document-ai-v1beta1/pom.xml
+++ b/grpc-google-cloud-document-ai-v1beta1/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-document-ai-v1beta1</artifactId>
-  <version>0.2.2</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta1:current} -->
+  <version>0.2.3</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta1:current} -->
   <name>grpc-google-cloud-document-ai-v1beta1</name>
   <description>GRPC library for grpc-google-cloud-document-ai-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-parent</artifactId>
-    <version>0.2.2</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>0.2.3</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-document-ai-v1beta2/pom.xml b/grpc-google-cloud-document-ai-v1beta2/pom.xml
index 31cb069c..405c184a 100644
--- a/grpc-google-cloud-document-ai-v1beta2/pom.xml
+++ b/grpc-google-cloud-document-ai-v1beta2/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-document-ai-v1beta2</artifactId>
-  <version>0.2.2</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta2:current} -->
+  <version>0.2.3</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta2:current} -->
   <name>grpc-google-cloud-document-ai-v1beta2</name>
   <description>GRPC library for grpc-google-cloud-document-ai-v1beta2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-parent</artifactId>
-    <version>0.2.2</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>0.2.3</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index adf5d3cc..923a8a26 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-document-ai-parent</artifactId>
   <packaging>pom</packaging>
-  <version>0.2.2</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+  <version>0.2.3</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   <name>Google Cloud Document AI Parent</name>
   <url>https://github.com/googleapis/java-document-ai</url>
   <description>
@@ -70,29 +70,29 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-document-ai-v1beta1</artifactId>
-        <version>0.2.2</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta1:current} -->
+        <version>0.2.3</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-document-ai-v1beta2</artifactId>
-        <version>0.2.2</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta2:current} -->
+        <version>0.2.3</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-document-ai-v1beta1</artifactId>
-        <version>0.2.2</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta1:current} -->
+        <version>0.2.3</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-document-ai-v1beta2</artifactId>
-        <version>0.2.2</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta2:current} -->
+        <version>0.2.3</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta2:current} -->
       </dependency>
 
 
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-shared-dependencies</artifactId>
-        <version>0.8.6</version>
+        <version>0.9.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -137,7 +137,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-project-info-reports-plugin</artifactId>
-        <version>3.1.0</version>
+        <version>3.1.1</version>
         <reportSets>
           <reportSet>
             <reports>
diff --git a/proto-google-cloud-document-ai-v1beta1/pom.xml b/proto-google-cloud-document-ai-v1beta1/pom.xml
index 3b035dac..6e3dc980 100644
--- a/proto-google-cloud-document-ai-v1beta1/pom.xml
+++ b/proto-google-cloud-document-ai-v1beta1/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-document-ai-v1beta1</artifactId>
-  <version>0.2.2</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta1:current} -->
+  <version>0.2.3</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta1:current} -->
   <name>proto-google-cloud-document-ai-v1beta1</name>
   <description>PROTO library for proto-google-cloud-document-ai-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-parent</artifactId>
-    <version>0.2.2</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>0.2.3</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-document-ai-v1beta2/pom.xml b/proto-google-cloud-document-ai-v1beta2/pom.xml
index 1ebc412c..5cf9bbae 100644
--- a/proto-google-cloud-document-ai-v1beta2/pom.xml
+++ b/proto-google-cloud-document-ai-v1beta2/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-document-ai-v1beta2</artifactId>
-  <version>0.2.2</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta2:current} -->
+  <version>0.2.3</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta2:current} -->
   <name>proto-google-cloud-document-ai-v1beta2</name>
   <description>PROTO library for proto-google-cloud-document-ai-v1beta2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-parent</artifactId>
-    <version>0.2.2</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>0.2.3</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 41312956..643241b3 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -35,7 +35,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-storage</artifactId>
-      <version>1.111.2</version>
+      <version>1.113.1</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 53cd844a..2325e55f 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -34,7 +34,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-storage</artifactId>
-      <version>1.111.2</version>
+      <version>1.113.1</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 73dd3f83..bb021762 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -30,7 +30,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>9.1.0</version>
+        <version>10.1.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/samples/snippets/src/main/java/documentai/v1beta2/ParseWithModelBeta.java b/samples/snippets/src/main/java/documentai/v1beta2/ParseWithModelBeta.java
index 5e1bfa3f..b549e487 100644
--- a/samples/snippets/src/main/java/documentai/v1beta2/ParseWithModelBeta.java
+++ b/samples/snippets/src/main/java/documentai/v1beta2/ParseWithModelBeta.java
@@ -32,7 +32,8 @@ public static void parseWithModel() throws IOException {
     // TODO(developer): Replace these variables before running the sample.
     String projectId = "your-project-id";
     String location = "your-project-location"; // Format is "us" or "eu".
-    // AutoML model name formatted as: "projects/[PROJECT_ID]/locations/[LOCATION]/models/[MODEL_ID]"
+    // AutoML model name formatted as:
+    //   "projects/[PROJECT_ID]/locations/[LOCATION]/models/[MODEL_ID]"
     String autoMlModel = "your-full-resource-model-name";
     String gcsUri = "gs://your-gcs-bucket/path/to/input/file.json";
     parseWithModel(projectId, location, autoMlModel, gcsUri);
diff --git a/synth.metadata b/synth.metadata
index 4dcc7f0f..97083c97 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-document-ai.git",
-        "sha": "6375fc35ccbf5ce24062ba53720633fb63721e86"
+        "sha": "8ae010b4c6231f7f9886e17a25cc6e1efbfa4230"
       }
     },
     {
@@ -27,7 +27,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "f8823dec98277a9516f2fb6fae9f58b3a59a23e1"
+        "sha": "80003a3de2d8a75f5b47cb2e77e018f7f0f776cc"
       }
     }
   ],
@@ -59,7 +59,9 @@
     ".github/PULL_REQUEST_TEMPLATE.md",
     ".github/release-please.yml",
     ".github/trusted-contribution.yml",
+    ".github/workflows/auto-release.yaml",
     ".github/workflows/ci.yaml",
+    ".github/workflows/samples.yaml",
     ".kokoro/build.bat",
     ".kokoro/build.sh",
     ".kokoro/coerce_logs.sh",
diff --git a/versions.txt b/versions.txt
index 9daec7d5..95bcb9c0 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,5 +1,5 @@
-proto-google-cloud-document-ai-v1beta1:0.2.2:0.2.2
-proto-google-cloud-document-ai-v1beta2:0.2.2:0.2.2
-grpc-google-cloud-document-ai-v1beta1:0.2.2:0.2.2
-grpc-google-cloud-document-ai-v1beta2:0.2.2:0.2.2
-google-cloud-document-ai:0.2.2:0.2.2
+proto-google-cloud-document-ai-v1beta1:0.2.3:0.2.3
+proto-google-cloud-document-ai-v1beta2:0.2.3:0.2.3
+grpc-google-cloud-document-ai-v1beta1:0.2.3:0.2.3
+grpc-google-cloud-document-ai-v1beta2:0.2.3:0.2.3
+google-cloud-document-ai:0.2.3:0.2.3