diff --git a/pom.xml b/pom.xml
index ba300d1..f2fa898 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,7 +49,7 @@
         <dependency>
             <groupId>com.google.oauth-client</groupId>
             <artifactId>google-oauth-client</artifactId>
-            <version>1.21.0</version>
+            <version>1.33.3</version>
         </dependency>
         <dependency>
             <groupId>com.google.api-client</groupId>