diff --git a/google-cloud-pubsublite/pom.xml b/google-cloud-pubsublite/pom.xml
index b50732f8a..6622e2df4 100644
--- a/google-cloud-pubsublite/pom.xml
+++ b/google-cloud-pubsublite/pom.xml
@@ -135,7 +135,7 @@
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
-      <version>3.5.7</version>
+      <version>3.5.13</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/pubsublite-beam-io/pom.xml b/pubsublite-beam-io/pom.xml
index 3a559e090..fb0541215 100644
--- a/pubsublite-beam-io/pom.xml
+++ b/pubsublite-beam-io/pom.xml
@@ -117,7 +117,7 @@
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
-      <version>3.5.7</version>
+      <version>3.5.13</version>
       <scope>test</scope>
     </dependency>
     <dependency>