diff --git a/pkgs/development/python-modules/six/default.nix b/pkgs/development/python-modules/six/default.nix
index 6921b3590e4e..78e7a5f05389 100644
--- a/pkgs/development/python-modules/six/default.nix
+++ b/pkgs/development/python-modules/six/default.nix
@@ -6,11 +6,11 @@
 
 buildPythonPackage rec {
   pname = "six";
-  version = "1.11.0";
+  version = "1.12.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9";
+    sha256 = "d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73";
   };
 
   checkInputs = [ pytest ];