diff --git a/sources/pom.xml b/sources/pom.xml
index a4ca4df43..83e92aa5a 100644
--- a/sources/pom.xml
+++ b/sources/pom.xml
@@ -57,7 +57,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>1.20.0</version>
+      <version>1.21.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.apis</groupId>