diff --git a/pkgs/tools/admin/aws-google-auth/default.nix b/pkgs/tools/admin/aws-google-auth/default.nix
index 9330291014d..aa1c77ef68e 100644
--- a/pkgs/tools/admin/aws-google-auth/default.nix
+++ b/pkgs/tools/admin/aws-google-auth/default.nix
@@ -20,15 +20,15 @@
 
 buildPythonApplication rec {
   pname = "aws-google-auth";
-  version = "0.0.37";
+  version = "0.0.38";
 
   # Pypi doesn't ship the tests, so we fetch directly from GitHub
   # https://github.com/cevoaustralia/aws-google-auth/issues/120
   src = fetchFromGitHub {
     owner = "cevoaustralia";
     repo = "aws-google-auth";
-    rev = version;
-    sha256 = "1bh733n4m5rsslpbjvhdigx6768nrvacybkakrm9704d2md9vkqd";
+    rev = "refs/tags/${version}";
+    sha256 = "sha256-/Xe4RDA9sBEsBBV1VP91VX0VfO8alK8L70m9WrB7qu4=";
   };
 
   propagatedBuildInputs = [