diff --git a/pkgs/applications/misc/curaengine/default.nix b/pkgs/applications/misc/curaengine/default.nix
index 76947c1ed94..05f63c54803 100644
--- a/pkgs/applications/misc/curaengine/default.nix
+++ b/pkgs/applications/misc/curaengine/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "curaengine";
-  version = "4.9.0";
+  version = "4.9.1";
 
   src = fetchFromGitHub {
     owner = "Ultimaker";
     repo = "CuraEngine";
     rev = version;
-    sha256 = "0b82hwn7pb73h1azaandq93bkzlzskhgk71pwf4yws0j9bm6z084";
+    sha256 = "sha256-1hCjtnI1EnfyQ0QfU8qZoSLIjE5pyDYpu8H4J91cWYM=";
   };
 
   nativeBuildInputs = [ cmake ];