diff --git a/google-cloud-video-transcoder/pom.xml b/google-cloud-video-transcoder/pom.xml
index 3c6ea269..cc897bba 100644
--- a/google-cloud-video-transcoder/pom.xml
+++ b/google-cloud-video-transcoder/pom.xml
@@ -68,7 +68,7 @@
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <scope>test</scope>
-      <version>4.13</version>
+      <version>4.13.1</version>
     </dependency>
 
     <dependency>
diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index ebcdceb6..4d6e9e2b 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -36,7 +36,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.13</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index c2934cba..476f85b7 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -35,7 +35,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.13</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 59d76246..9659e1c4 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -34,7 +34,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.13</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>