diff --git a/pkgs/development/python-modules/nilearn/default.nix b/pkgs/development/python-modules/nilearn/default.nix
index ef4473e4066..93871d9a9a7 100644
--- a/pkgs/development/python-modules/nilearn/default.nix
+++ b/pkgs/development/python-modules/nilearn/default.nix
@@ -3,12 +3,12 @@
 
 buildPythonPackage rec {
   pname = "nilearn";
-  version = "0.4.1";
+  version = "0.4.2";
   name = pname + "-" + version;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "c2ef16d357d24699abced07e89a50d465c8fbaa8537f1a9d4d5cb8a612926dbc";
+    sha256 = "5049363eb6da2e7c35589477dfc79bf69929ca66de2d7ed2e9dc07acf78636f4";
   };
 
   checkPhase = "nosetests --exclude with_expand_user nilearn/tests";