diff --git a/README.md b/README.md
index 58f499645..d7534e1d1 100644
--- a/README.md
+++ b/README.md
@@ -56,13 +56,13 @@ implementation 'com.google.cloud:google-cloud-dialogflow'
 If you are using Gradle without BOM, add this to your dependencies
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-dialogflow:4.5.0'
+implementation 'com.google.cloud:google-cloud-dialogflow:4.5.1'
 ```
 
 If you are using SBT, add this to your dependencies
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-dialogflow" % "4.5.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-dialogflow" % "4.5.1"
 ```
 
 ## Authentication
diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index b84fdb7cf..0f1ccd01d 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -36,7 +36,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.5.1</version>
+      <version>2.5.3</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index f5df19a64..5c1b68cb5 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -34,7 +34,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.5.1</version>
+      <version>2.5.3</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 8a57fde74..95da64b17 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -47,7 +47,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.5.1</version>
+      <version>2.5.3</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>