diff --git a/pkgs/by-name/opencellid/package.nix b/pkgs/by-name/opencellid/package.nix
index b9eb915c1..fa4923ae5 100644
--- a/pkgs/by-name/opencellid/package.nix
+++ b/pkgs/by-name/opencellid/package.nix
@@ -12,14 +12,14 @@
 
 stdenv.mkDerivation {
   pname = "opencellid";
-  version = "0-unstable-2025-04-20";
+  version = "0-unstable-2025-04-21";
 
   src = fetchFromGitea {
     domain = "git.uninsane.org";
     owner = "colin";
     repo = "opencellid-mirror";
-    rev = "b34f4816d1fe0343c6b0144a48c5780c5b813a23";
-    hash = "sha256-mRGlHmje03sjFk+4ioOrTvifWNpOJdZEeENUPSaLElg=";
+    rev = "1538cc83c516bc43f7b2367ee2eee2ea3cdd0583";
+    hash = "sha256-hyijlmJxq4PBvOV2xaX42hGs4OuWaiU0YWh8uliqXZI=";
   };
 
   dontBuild = true;