diff --git a/pkgs/development/python-modules/scikitlearn/default.nix b/pkgs/development/python-modules/scikitlearn/default.nix
index 939782722c6..4830e3fb2ab 100644
--- a/pkgs/development/python-modules/scikitlearn/default.nix
+++ b/pkgs/development/python-modules/scikitlearn/default.nix
@@ -12,13 +12,13 @@
 
 buildPythonPackage rec {
   pname = "scikit-learn";
-  version = "0.21.2";
+  version = "0.21.3";
   # UnboundLocalError: local variable 'message' referenced before assignment
   disabled = stdenv.isi686;  # https://github.com/scikit-learn/scikit-learn/issues/5534
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1nvj9j16y1hz9gm0qwzpnx2zmz55c63k1fai643migsyll9c7bqa";
+    sha256 = "eb9b8ebf59eddd8b96366428238ab27d05a19e89c5516ce294abc35cea75d003";
   };
 
   buildInputs = [