diff --git a/pkgs/development/python-modules/google_auth/default.nix b/pkgs/development/python-modules/google_auth/default.nix
index 1ade8b814db..b0b6bfaa5ef 100644
--- a/pkgs/development/python-modules/google_auth/default.nix
+++ b/pkgs/development/python-modules/google_auth/default.nix
@@ -3,11 +3,11 @@
 
 buildPythonPackage rec {
   pname = "google-auth";
-  version = "1.6.2";
+  version = "1.6.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e8d64e9bc8cb6f0fc5360c693f86dc9ee6964081ee702e3b5ddc937f99efc950";
+    sha256 = "0f7c6a64927d34c1a474da92cfc59e552a5d3b940d3266606c6a28b72888b9e4";
   };
 
   checkInputs = [ pytest mock oauth2client flask requests urllib3 pytest-localserver ];