diff --git a/pkgs/development/python-modules/imap-tools/default.nix b/pkgs/development/python-modules/imap-tools/default.nix
index 7953ffb10f2..b7d2811fbd1 100644
--- a/pkgs/development/python-modules/imap-tools/default.nix
+++ b/pkgs/development/python-modules/imap-tools/default.nix
@@ -1,15 +1,15 @@
 { lib
 , buildPythonPackage
-, isPy27
+, pythonOlder
 , fetchFromGitHub
 , pytestCheckHook
 }:
 
 buildPythonPackage rec {
   pname = "imap-tools";
-  version = "1.1.0";
+  version = "1.2.0";
 
-  disabled = isPy27;
+  disabled = pythonOlder "3.5";
 
   format = "setuptools";
 
@@ -17,7 +17,7 @@ buildPythonPackage rec {
     owner = "ikvk";
     repo = "imap_tools";
     rev = "refs/tags/v${version}";
-    hash = "sha256-IW67v7gXV04Nlr/0/lceC5WmknaqqwOJ8bqRGZZ4KcY=";
+    hash = "sha256-FC4uvBqQ9Lqpvj94ByM7LYiqqjAQQljYduBxwum49lI=";
   };
 
   nativeCheckInputs = [