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/google-cloud-dlp-bom/pom.xml b/google-cloud-dlp-bom/pom.xml
index c38bd57d..a89dc752 100644
--- a/google-cloud-dlp-bom/pom.xml
+++ b/google-cloud-dlp-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dlp-bom</artifactId>
-  <version>2.3.5-SNAPSHOT</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>
@@ -64,17 +64,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dlp-v2</artifactId>
-        <version>2.3.5-SNAPSHOT</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>2.3.5-SNAPSHOT</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>2.3.5-SNAPSHOT</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 c657aa0a..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>2.3.5-SNAPSHOT</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>2.3.5-SNAPSHOT</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 29aa8030..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>2.3.5-SNAPSHOT</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>2.3.5-SNAPSHOT</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 b1688cb6..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>2.3.5-SNAPSHOT</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>
@@ -70,17 +70,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dlp-v2</artifactId>
-        <version>2.3.5-SNAPSHOT</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>2.3.5-SNAPSHOT</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>2.3.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-dlp:current} -->
+        <version>2.4.0</version><!-- {x-version-update:google-cloud-dlp:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-dlp-v2/pom.xml b/proto-google-cloud-dlp-v2/pom.xml
index 3a43cd22..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>2.3.5-SNAPSHOT</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>2.3.5-SNAPSHOT</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/snapshot/pom.xml b/samples/snapshot/pom.xml
index 4b12ba8e..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>2.3.5-SNAPSHOT</version>
+      <version>2.4.0</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/versions.txt b/versions.txt
index 0258022d..42bf6e5b 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-proto-google-cloud-dlp-v2:2.3.4:2.3.5-SNAPSHOT
-grpc-google-cloud-dlp-v2:2.3.4:2.3.5-SNAPSHOT
-google-cloud-dlp:2.3.4:2.3.5-SNAPSHOT
+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