diff --git a/pkgs/development/python-modules/astropy-helpers/default.nix b/pkgs/development/python-modules/astropy-helpers/default.nix
index 79d6e852c681..dc6ca8c83cef 100644
--- a/pkgs/development/python-modules/astropy-helpers/default.nix
+++ b/pkgs/development/python-modules/astropy-helpers/default.nix
@@ -6,7 +6,7 @@
 
 buildPythonPackage rec {
   pname = "astropy-helpers";
-  version = "3.1";
+  version = "3.1.1";
 
   disabled = !isPy3k;
 
@@ -14,7 +14,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "37caf1f21bfdf653f7bb9f5b070dc1bb59cd70c0e09f9c5742401f57400a6e52";
+    sha256 = "214cc37cffd7a21e573c4543e47b5289b07b2b77511627802d9778a4c96a5caf";
   };
 
   meta = with lib; {