diff --git a/pkgs/development/python-modules/deap/default.nix b/pkgs/development/python-modules/deap/default.nix
index e78a3f5eba0..9c49057398c 100644
--- a/pkgs/development/python-modules/deap/default.nix
+++ b/pkgs/development/python-modules/deap/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "deap";
-  version = "1.3.0";
+  version = "1.3.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "102r11pxb36xkq5bjv1lpkss77v278f5xdv6lvkbjdvqryydf3yd";
+    sha256 = "0bvshly83c4h5jhxaa97z192viczymz5fxp6vl8awjmmrs9l9x8i";
   };
 
   propagatedBuildInputs = [ numpy matplotlib ];