diff --git a/packages/google-cloud-oslogin/synth.metadata b/packages/google-cloud-oslogin/synth.metadata
index d3b5784ab83e..2044b81fdca9 100644
--- a/packages/google-cloud-oslogin/synth.metadata
+++ b/packages/google-cloud-oslogin/synth.metadata
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "3a00b7fea8c4c83eaff8eb207f530a2e3e8e1de3"
+        "sha": "89d431fb2975fc4e0ed24995a6e6dfc8ff4c24fa"
       }
     }
   ],