diff --git a/pkgs/development/python-modules/matplotlib/default.nix b/pkgs/development/python-modules/matplotlib/default.nix
index bf21422b7721..4be4189f8c7a 100644
--- a/pkgs/development/python-modules/matplotlib/default.nix
+++ b/pkgs/development/python-modules/matplotlib/default.nix
@@ -20,14 +20,14 @@ assert enableTk -> (tcl != null)
 assert enableQt -> pyqt5 != null;
 
 buildPythonPackage rec {
-  version = "3.3.3";
+  version = "3.3.4";
   pname = "matplotlib";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "b1b60c6476c4cfe9e5cf8ab0d3127476fd3d5f05de0f343a452badaad0e4bdec";
+    sha256 = "3e477db76c22929e4c6876c44f88d790aacdf3c3f8f3a90cb1975c0bf37825b0";
   };
 
   XDG_RUNTIME_DIR = "/tmp";