diff --git a/pkgs/development/python-modules/pycm/default.nix b/pkgs/development/python-modules/pycm/default.nix
index 4decab5c3931..58570c177902 100644
--- a/pkgs/development/python-modules/pycm/default.nix
+++ b/pkgs/development/python-modules/pycm/default.nix
@@ -10,7 +10,7 @@
 
 buildPythonPackage rec {
   pname = "pycm";
-  version = "3.8";
+  version = "4.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.5";
@@ -19,7 +19,7 @@ buildPythonPackage rec {
     owner = "sepandhaghighi";
     repo = pname;
     rev = "refs/tags/v${version}";
-    hash = "sha256-L0WPZomOU/I/x8QrdAerG0S2wnHyP661XTaDzzWeruk=";
+    hash = "sha256-GyH06G7bArFBTzV/Sx/KmoJvcoed0sswW7qGqsSULHo=";
   };
 
   propagatedBuildInputs = [