diff --git a/pkgs/development/python-modules/imbalanced-learn/0.4.nix b/pkgs/development/python-modules/imbalanced-learn/0.4.nix
index c1ff24711e80..e7d2c2f37148 100644
--- a/pkgs/development/python-modules/imbalanced-learn/0.4.nix
+++ b/pkgs/development/python-modules/imbalanced-learn/0.4.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "imbalanced-learn";
-  version = "0.5.0";
+  version = "0.4.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "5df760537886678ef9e25f5bad96d194c5fc66f62de84488069acf5d4b0119d5";
+    sha256 = "5bd9e86e40ce4001a57426541d7c79b18143cbd181e3330c1a3e5c5c43287083";
   };
 
   propagatedBuildInputs = [ scikitlearn ];