diff --git a/java-dialogflow-cx/samples/install-without-bom/pom.xml b/java-dialogflow-cx/samples/install-without-bom/pom.xml
index 35fc8c961b1d..490b869a8bed 100644
--- a/java-dialogflow-cx/samples/install-without-bom/pom.xml
+++ b/java-dialogflow-cx/samples/install-without-bom/pom.xml
@@ -40,7 +40,7 @@
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
-      <version>4.7.0</version>
+      <version>4.8.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/java-dialogflow-cx/samples/snapshot/pom.xml b/java-dialogflow-cx/samples/snapshot/pom.xml
index 8544a8988cf7..4ff29102d52d 100644
--- a/java-dialogflow-cx/samples/snapshot/pom.xml
+++ b/java-dialogflow-cx/samples/snapshot/pom.xml
@@ -39,7 +39,7 @@
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
-      <version>4.7.0</version>
+      <version>4.8.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/java-dialogflow-cx/samples/snippets/pom.xml b/java-dialogflow-cx/samples/snippets/pom.xml
index 679a7e2e92b5..ceaae60df08f 100644
--- a/java-dialogflow-cx/samples/snippets/pom.xml
+++ b/java-dialogflow-cx/samples/snippets/pom.xml
@@ -55,7 +55,7 @@
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
-      <version>4.7.0</version>
+      <version>4.8.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>