diff --git a/pkgs/development/python-modules/scikit-fmm/default.nix b/pkgs/development/python-modules/scikit-fmm/default.nix
index ba507803fa8..2915e68767e 100644
--- a/pkgs/development/python-modules/scikit-fmm/default.nix
+++ b/pkgs/development/python-modules/scikit-fmm/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "scikit-fmm";
-  version = "2022.8.15";
+  version = "2023.4.2";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-BgDmxoB1QzZ/DlqIB0m66Km+fbAo5RcpjmX0BZ9985w=";
+    hash = "sha256-14ccR/ggdyq6kvJWUe8U5NJ96M45PArjwCqzxuJCPAs=";
   };
 
   propagatedBuildInputs = [