diff --git a/pkgs/development/python-modules/flufl/i18n.nix b/pkgs/development/python-modules/flufl/i18n.nix
index 6e8d77bf4f81..3bd2966fad59 100644
--- a/pkgs/development/python-modules/flufl/i18n.nix
+++ b/pkgs/development/python-modules/flufl/i18n.nix
@@ -2,12 +2,12 @@
 
 buildPythonPackage rec {
   pname = "flufl.i18n";
-  version = "2.0.2";
+  version = "3.1.3";
 
   propagatedBuildInputs = [ atpublic ];
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1csgds59nx0ann9v2alqr69lakp1cnc1ikmbgn96l6n23js7c2ah";
+    sha256 = "dcca738be27f2c43ddf6f9307667a17478353190071f38a9f92c9af8d2252ba4";
   };
 }