diff --git a/pkgs/development/python-modules/geoalchemy2/default.nix b/pkgs/development/python-modules/geoalchemy2/default.nix
index dc2b3dbd4de1..db1996a90871 100644
--- a/pkgs/development/python-modules/geoalchemy2/default.nix
+++ b/pkgs/development/python-modules/geoalchemy2/default.nix
@@ -12,12 +12,12 @@
 
 buildPythonPackage rec {
   pname = "GeoAlchemy2";
-  version = "0.12.1";
+  version = "0.12.3";
   format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-7566ebZ/9LxyCw4ZkUEIZvx9sBODewVaGyy2UYuZTYA=";
+    sha256 = "sha256-MSgMZF3EoPkMHSmdL1x9WrZ8eENTW0ULTCq4ifAB4EI=";
   };
 
   nativeBuildInputs = [