diff --git a/.kokoro/docs/docs-presubmit.cfg b/.kokoro/docs/docs-presubmit.cfg
index 93c606f..d0f5783 100644
--- a/.kokoro/docs/docs-presubmit.cfg
+++ b/.kokoro/docs/docs-presubmit.cfg
@@ -18,7 +18,7 @@
 
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
-    value: github/google-auth-library-python/.kokoro/build.sh"
+    value: "github/google-auth-library-python/.kokoro/build.sh"
 }
 
 # Only run this nox session.
diff --git a/synth.metadata b/synth.metadata
index db9feff..0de642b 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-auth-library-python.git",
-        "sha": "647290a2dfc797067f7966c1dae512359e6bb7e7"
+        "sha": "f062da8392c32fb3306cdc6e4dbae78212aa0dc7"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "fb53b6fb373b7c3edf4e55f3e8036bc6d73fa483"
+        "sha": "16ec872dd898d7de6e1822badfac32484b5d9031"
       }
     }
   ],