diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 8a43c1fc637..4b19354e8dc 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -22300,12 +22300,12 @@ in modules // {
 
   scikitlearn = buildPythonPackage rec {
     name = "scikit-learn-${version}";
-    version = "0.17.1";
+    version = "0.18";
     disabled = stdenv.isi686;  # https://github.com/scikit-learn/scikit-learn/issues/5534
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/s/scikit-learn/${name}.tar.gz";
-      sha256 = "9f4cf58e57d81783289fc503caaed1f210bab49b7a6f680bf3c04b1e0a96e5f0";
+      sha256 = "240009789d6495240b332e059cbd2499f4d2981c93873983c9e1d5189f90315f";
     };
 
     buildInputs = with self; [ nose pillow pkgs.gfortran pkgs.glibcLocales ];