diff --git a/.github/generated-files-bot.yml b/.github/generated-files-bot.yml
index 47c2ba13..c644a24e 100644
--- a/.github/generated-files-bot.yml
+++ b/.github/generated-files-bot.yml
@@ -9,3 +9,4 @@ ignoreAuthors:
 - 'renovate-bot'
 - 'yoshi-automation'
 - 'release-please[bot]'
+- 'gcf-owl-bot[bot]'
diff --git a/.github/readme/synth.metadata/synth.metadata b/.github/readme/synth.metadata/synth.metadata
index 51c62fe7..54281a07 100644
--- a/.github/readme/synth.metadata/synth.metadata
+++ b/.github/readme/synth.metadata/synth.metadata
@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-dlp.git",
-        "sha": "783ee11598cc197b2ab6a03cf31cf5e1575cf611"
+        "sha": "5da8661751dc7786c0b79d0b56fc8557fbdce29f"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "4f4b1b9b8d8b52f1e9e4a76165896debce5ab7f1"
+        "sha": "c3e41da0fa256ad7f6b4bc76b9d069dedecdfef4"
       }
     }
   ]
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index def8b3a2..0195b32f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -19,10 +19,6 @@ jobs:
     - run: .kokoro/build.sh
       env:
         JOB_TYPE: test
-    - name: coverage
-      uses: codecov/codecov-action@v1
-      with:
-        name: actions ${{matrix.java}}
   windows:
     runs-on: windows-latest
     steps:
@@ -80,4 +76,4 @@ jobs:
     - run: java -version
     - run: .kokoro/build.sh
       env:
-        JOB_TYPE: clirr
\ No newline at end of file
+        JOB_TYPE: clirr
diff --git a/.kokoro/release/publish_javadoc11.sh b/.kokoro/release/publish_javadoc11.sh
index e5528991..2709934e 100755
--- a/.kokoro/release/publish_javadoc11.sh
+++ b/.kokoro/release/publish_javadoc11.sh
@@ -42,6 +42,8 @@ mvn clean site -B -q -P docFX
 
 # copy README to docfx-yml dir and rename index.md
 cp README.md target/docfx-yml/index.md
+# copy CHANGELOG to docfx-yml dir and rename history.md
+cp CHANGELOG.md target/docfx-yml/history.md
 
 pushd target/docfx-yml
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b1ba5783..00631424 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [2.4.0](https://www.github.com/googleapis/java-dlp/compare/v2.3.4...v2.4.0) (2021-05-31)
+
+
+### Features
+
+* add `gcf-owl-bot[bot]` to `ignoreAuthors` ([#531](https://www.github.com/googleapis/java-dlp/issues/531)) ([5bc1ab9](https://www.github.com/googleapis/java-dlp/commit/5bc1ab99c9f145d6f1becb05869b8be682821afa))
+
+
+### Dependencies
+
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v1.2.0 ([#532](https://www.github.com/googleapis/java-dlp/issues/532)) ([2a82b38](https://www.github.com/googleapis/java-dlp/commit/2a82b38d4b46f6145f8d1dc298dc52b819360afd))
+
 ### [2.3.4](https://www.github.com/googleapis/java-dlp/compare/v2.3.3...v2.3.4) (2021-05-14)
 
 
diff --git a/README.md b/README.md
index e6f71083..a635a8c0 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ 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>20.3.0</version>
+      <version>20.5.0</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
@@ -39,25 +39,25 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dlp</artifactId>
-  <version>2.3.3</version>
+  <version>2.3.4</version>
 </dependency>
 
 ```
 
 If you are using Gradle 5.x or later, add this to your dependencies
 ```Groovy
-implementation platform('com.google.cloud:libraries-bom:20.3.0')
+implementation platform('com.google.cloud:libraries-bom:20.5.0')
 
 compile 'com.google.cloud:google-cloud-dlp'
 ```
 If you are using Gradle without BOM, add this to your dependencies
 ```Groovy
-compile 'com.google.cloud:google-cloud-dlp:2.3.3'
+compile 'com.google.cloud:google-cloud-dlp:2.3.4'
 ```
 
 If you are using SBT, add this to your dependencies
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-dlp" % "2.3.3"
+libraryDependencies += "com.google.cloud" % "google-cloud-dlp" % "2.3.4"
 ```
 
 ## Authentication
diff --git a/google-cloud-dlp-bom/pom.xml b/google-cloud-dlp-bom/pom.xml
index 495f63b8..a89dc752 100644
--- a/google-cloud-dlp-bom/pom.xml
+++ b/google-cloud-dlp-bom/pom.xml
@@ -3,12 +3,12 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dlp-bom</artifactId>
-  <version>2.3.4</version><!-- {x-version-update:google-cloud-dlp:current} -->
+  <version>2.4.0</version><!-- {x-version-update:google-cloud-dlp:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-shared-config</artifactId>
-    <version>0.11.2</version>
+    <version>0.12.0</version>
   </parent>
 
   <name>Google Cloud dlp BOM</name>
@@ -64,17 +64,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dlp-v2</artifactId>
-        <version>2.3.4</version><!-- {x-version-update:grpc-google-cloud-dlp-v2:current} -->
+        <version>2.4.0</version><!-- {x-version-update:grpc-google-cloud-dlp-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dlp</artifactId>
-        <version>2.3.4</version><!-- {x-version-update:google-cloud-dlp:current} -->
+        <version>2.4.0</version><!-- {x-version-update:google-cloud-dlp:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dlp-v2</artifactId>
-        <version>2.3.4</version><!-- {x-version-update:proto-google-cloud-dlp-v2:current} -->
+        <version>2.4.0</version><!-- {x-version-update:proto-google-cloud-dlp-v2:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-dlp/pom.xml b/google-cloud-dlp/pom.xml
index 42a37e0e..bd72522d 100644
--- a/google-cloud-dlp/pom.xml
+++ b/google-cloud-dlp/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dlp</artifactId>
-  <version>2.3.4</version><!-- {x-version-update:google-cloud-dlp:current} -->
+  <version>2.4.0</version><!-- {x-version-update:google-cloud-dlp:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud DLP</name>
   <url>https://github.com/googleapis/java-dlp</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dlp-parent</artifactId>
-    <version>2.3.4</version><!-- {x-version-update:google-cloud-dlp:current} -->
+    <version>2.4.0</version><!-- {x-version-update:google-cloud-dlp:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-dlp</site.installationModule>
diff --git a/grpc-google-cloud-dlp-v2/pom.xml b/grpc-google-cloud-dlp-v2/pom.xml
index 5b5030ca..ff57ee16 100644
--- a/grpc-google-cloud-dlp-v2/pom.xml
+++ b/grpc-google-cloud-dlp-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-dlp-v2</artifactId>
-  <version>2.3.4</version><!-- {x-version-update:grpc-google-cloud-dlp-v2:current} -->
+  <version>2.4.0</version><!-- {x-version-update:grpc-google-cloud-dlp-v2:current} -->
   <name>grpc-google-cloud-dlp-v2</name>
   <description>GRPC library for grpc-google-cloud-dlp-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dlp-parent</artifactId>
-    <version>2.3.4</version><!-- {x-version-update:google-cloud-dlp:current} -->
+    <version>2.4.0</version><!-- {x-version-update:google-cloud-dlp:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 80d42259..60323bd2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dlp-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.3.4</version><!-- {x-version-update:google-cloud-dlp:current} -->
+  <version>2.4.0</version><!-- {x-version-update:google-cloud-dlp:current} -->
   <name>Google Cloud DLP Parent</name>
   <url>https://github.com/googleapis/java-dlp</url>
   <description>
@@ -14,7 +14,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-shared-config</artifactId>
-    <version>0.11.2</version>
+    <version>0.12.0</version>
   </parent>
 
   <developers>
@@ -70,23 +70,23 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dlp-v2</artifactId>
-        <version>2.3.4</version><!-- {x-version-update:proto-google-cloud-dlp-v2:current} -->
+        <version>2.4.0</version><!-- {x-version-update:proto-google-cloud-dlp-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dlp-v2</artifactId>
-        <version>2.3.4</version><!-- {x-version-update:grpc-google-cloud-dlp-v2:current} -->
+        <version>2.4.0</version><!-- {x-version-update:grpc-google-cloud-dlp-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dlp</artifactId>
-        <version>2.3.4</version><!-- {x-version-update:google-cloud-dlp:current} -->
+        <version>2.4.0</version><!-- {x-version-update:google-cloud-dlp:current} -->
       </dependency>
 
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-shared-dependencies</artifactId>
-        <version>1.1.0</version>
+        <version>1.2.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -156,7 +156,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>3.2.0</version>
+        <version>3.3.0</version>
         <reportSets>
           <reportSet>
             <id>html</id>
diff --git a/proto-google-cloud-dlp-v2/pom.xml b/proto-google-cloud-dlp-v2/pom.xml
index a759be7f..54675199 100644
--- a/proto-google-cloud-dlp-v2/pom.xml
+++ b/proto-google-cloud-dlp-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-dlp-v2</artifactId>
-  <version>2.3.4</version><!-- {x-version-update:proto-google-cloud-dlp-v2:current} -->
+  <version>2.4.0</version><!-- {x-version-update:proto-google-cloud-dlp-v2:current} -->
   <name>proto-google-cloud-dlp-v2</name>
   <description>PROTO library for proto-google-cloud-dlp-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dlp-parent</artifactId>
-    <version>2.3.4</version><!-- {x-version-update:google-cloud-dlp:current} -->
+    <version>2.4.0</version><!-- {x-version-update:google-cloud-dlp:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index f27505fb..048616a8 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-dlp</artifactId>
-      <version>2.3.3</version>
+      <version>2.3.4</version>
     </dependency>
     <!-- [END dlp_install_without_bom] -->
 
@@ -47,7 +47,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>1.1.2</version>
+      <version>1.1.3</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 2c45bc65..d3283180 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-dlp</artifactId>
-      <version>2.3.4</version>
+      <version>2.4.0</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
@@ -46,7 +46,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>1.1.2</version>
+      <version>1.1.3</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 92a8363a..6d9b52ab 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>20.3.0</version>
+        <version>20.5.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -56,7 +56,7 @@
     <dependency>
       <groupId>com.google.truth</groupId>
       <artifactId>truth</artifactId>
-      <version>1.1.2</version>
+      <version>1.1.3</version>
       <scope>test</scope>
     </dependency>
     <!-- [END_EXCLUDE] -->
diff --git a/synth.metadata b/synth.metadata
index cbbaa931..ac3a54c5 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-dlp.git",
-        "sha": "fe80a872d70ecd5a96f5ce60c4b3b49fce9c7fbb"
+        "sha": "67cef46cd0894cdc53d602c994a26d33eb017b26"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "046994f491c02806aea60118e214a9edd67f5ab7"
+        "sha": "7332178a11ddddc91188dc0f25bca1ccadcaa6c6"
       }
     }
   ],
diff --git a/versions.txt b/versions.txt
index a1b0377a..42bf6e5b 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-proto-google-cloud-dlp-v2:2.3.4:2.3.4
-grpc-google-cloud-dlp-v2:2.3.4:2.3.4
-google-cloud-dlp:2.3.4:2.3.4
+proto-google-cloud-dlp-v2:2.4.0:2.4.0
+grpc-google-cloud-dlp-v2:2.4.0:2.4.0
+google-cloud-dlp:2.4.0:2.4.0