update google-auth library. Fixes #7259
diff --git a/third_party/BUILD b/third_party/BUILD
index c927b75..90ab565 100644
--- a/third_party/BUILD
+++ b/third_party/BUILD
@@ -226,8 +226,8 @@
 java_import(
     name = "auth",
     jars = [
-        "auth/google-auth-library-oauth2-http-0.6.0.jar",
-        "auth/google-auth-library-credentials-0.6.0.jar",
+        "auth/google-auth-library-oauth2-http-0.15.0.jar",
+        "auth/google-auth-library-credentials-0.15.0.jar",
     ],
     runtime_deps = [
         ":api_client",