diff --git a/java-dialogflow/README.md b/java-dialogflow/README.md
index 12e9c3f3796b..c5328da722ab 100644
--- a/java-dialogflow/README.md
+++ b/java-dialogflow/README.md
@@ -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-dialogflow</artifactId>
-  <version>4.9.0</version>
+  <version>4.9.1</version>
 </dependency>
 
 ```
@@ -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:4.9.0'
+implementation 'com.google.cloud:google-cloud-dialogflow:4.9.1'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-dialogflow" % "4.9.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-dialogflow" % "4.9.1"
 ```
 
 ## Authentication
diff --git a/java-dialogflow/samples/install-without-bom/pom.xml b/java-dialogflow/samples/install-without-bom/pom.xml
index 621d8dce3211..96e19b2e385c 100644
--- a/java-dialogflow/samples/install-without-bom/pom.xml
+++ b/java-dialogflow/samples/install-without-bom/pom.xml
@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-dialogflow</artifactId>
-      <version>4.9.0</version>
+      <version>4.9.1</version>
     </dependency>
     <!-- [END dialogflow_install_without_bom] -->
 
diff --git a/java-dialogflow/samples/snapshot/pom.xml b/java-dialogflow/samples/snapshot/pom.xml
index f743e818e4f0..63b66e68a5df 100644
--- a/java-dialogflow/samples/snapshot/pom.xml
+++ b/java-dialogflow/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-dialogflow</artifactId>
-      <version>4.9.0</version>
+      <version>4.9.1</version>
     </dependency>
 
     <dependency>