diff --git a/pkgs/development/python-modules/google-cloud-spanner/default.nix b/pkgs/development/python-modules/google-cloud-spanner/default.nix
index b08f8fb31ff9..62bba685417d 100644
--- a/pkgs/development/python-modules/google-cloud-spanner/default.nix
+++ b/pkgs/development/python-modules/google-cloud-spanner/default.nix
@@ -14,11 +14,11 @@
 
 buildPythonPackage rec {
   pname = "google-cloud-spanner";
-  version = "3.12.0";
+  version = "3.12.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "8f1390c3776fcfce71e1ef024d9ccde52c16d1cd728bc587c24065d6e4d21933";
+    sha256 = "98e53298a7c79f0af351c80e6fc0b57bc735afdec764424e459179ef04f5a40f";
   };
 
   propagatedBuildInputs = [