diff --git a/pkgs/development/python-modules/pygraphviz/default.nix b/pkgs/development/python-modules/pygraphviz/default.nix
index 80f16e760d8b..12876e2a3e02 100644
--- a/pkgs/development/python-modules/pygraphviz/default.nix
+++ b/pkgs/development/python-modules/pygraphviz/default.nix
@@ -11,13 +11,13 @@
 
 buildPythonPackage rec {
   pname = "pygraphviz";
-  version = "1.10";
+  version = "1.11";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-RX4JOoiBKJAyUaJmqMwWtLqT8/YzSz6/7ZLHRxp02Gc=";
+    hash = "sha256-qX61ztJm9FBT67HyxsbSkJFpBQPjpcFL5/kIs3sG8tQ=";
     extension = "zip";
   };