diff --git a/pkgs/development/python-modules/patsy/default.nix b/pkgs/development/python-modules/patsy/default.nix
index bd3c103b9a74..4ef6918cd3b5 100644
--- a/pkgs/development/python-modules/patsy/default.nix
+++ b/pkgs/development/python-modules/patsy/default.nix
@@ -10,11 +10,11 @@
 
 buildPythonPackage rec {
   pname = "patsy";
-  version = "0.5.1";
+  version = "0.5.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "149rbrdzwns0ay88caf1zsm1r53v1q5np1mrb36na50y432cw5gi";
+    sha256 = "5053de7804676aba62783dbb0f23a2b3d74e35e5bfa238b88b7cbf148a38b69d";
   };
 
   checkInputs = [ nose parameterized ];