1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/python-modules/pygraphviz/default.nix b/pkgs/development/python-modules/pygraphviz/default.nix
index 911779e67fd72..bed258c1673b7 100644
--- a/pkgs/development/python-modules/pygraphviz/default.nix
+++ b/pkgs/development/python-modules/pygraphviz/default.nix
@@ -4,11 +4,11 @@
 buildPythonPackage rec {
   name = "${pname}-${version}";
   pname = "pygraphviz";
-  version = "1.4rc1";
+  version = "1.3.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "00ck696rddjnrwfnh1zw87b9xzqfm6sqjy6kqf6kmn1xwsi6f19a";
+    sha256 = "7c294cbc9d88946be671cc0d8602aac176d8c56695c0a7d871eadea75a958408";
   };
 
   buildInputs = [ doctest-ignore-unicode mock nose ];