diff --git a/pom.xml b/pom.xml
index a1b1ad8..c7612b0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -127,7 +127,7 @@
 		<dependency>
 			<groupId>com.google.oauth-client</groupId>
 			<artifactId>google-oauth-client</artifactId>
-			<version>1.23.0</version>
+			<version>1.33.3</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/com.google.guava/guava-jdk5 -->
 		<dependency>