diff --git a/pkgs/development/python-modules/itypes/default.nix b/pkgs/development/python-modules/itypes/default.nix
index efbec0fb8fa..17ba3a2183a 100644
--- a/pkgs/development/python-modules/itypes/default.nix
+++ b/pkgs/development/python-modules/itypes/default.nix
@@ -7,13 +7,13 @@
 
 buildPythonPackage rec {
   pname = "itypes";
-  version = "1.1.0";
+  version = "1.2.0";
 
   src = fetchFromGitHub {
     repo = pname;
     owner = "tomchristie";
     rev = version;
-    sha256 = "0zkhn16wpslkxkq77dqw5rxa28nrchcb6nd3vgnxv91p4skyfm62";
+    sha256 = "1ljhjp9pacbrv2phs58vppz1dlxix01p98kfhyclvbml6dgjcr52";
   };
 
   checkInputs = [ pytest ];