diff --git a/pkgs/development/python-modules/geoalchemy2/default.nix b/pkgs/development/python-modules/geoalchemy2/default.nix
index ca72a818d58d..0d3c05c8f845 100644
--- a/pkgs/development/python-modules/geoalchemy2/default.nix
+++ b/pkgs/development/python-modules/geoalchemy2/default.nix
@@ -14,14 +14,14 @@
 
 buildPythonPackage rec {
   pname = "geoalchemy2";
-  version = "0.18.1";
+  version = "0.18.4";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "geoalchemy";
     repo = "geoalchemy2";
     tag = version;
-    hash = "sha256-F/+POYOb7PoUwLnQpM00zAPpbSXNeWJF2TZ4y260Pzw=";
+    hash = "sha256-kSsKud4/uL5ycPiuS+JPXJ6XH9ZgQ+kHOTC5RtG9C0I=";
   };
 
   build-system = [