diff --git a/oauth2_http/pom.xml b/oauth2_http/pom.xml
index fea8123fc..9a34e630f 100644
--- a/oauth2_http/pom.xml
+++ b/oauth2_http/pom.xml
@@ -143,7 +143,7 @@
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
-      <version>2.23.4</version>
+      <version>4.6.1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>