diff --git a/pom.xml b/pom.xml
index 371ec622..97733f41 100644
--- a/pom.xml
+++ b/pom.xml
@@ -70,7 +70,7 @@
     <gax.version>1.52.0</gax.version>
     <grpc.version>1.26.0</grpc.version>
     <protobuf.version>3.11.1</protobuf.version>
-    <junit.version>4.12</junit.version>
+    <junit.version>4.13</junit.version>
     <guava.version>28.1-android</guava.version>
     <threeten.version>1.4.0</threeten.version>
     <javax.annotations.version>1.3.2</javax.annotations.version>