diff --git a/pkgs/development/python-modules/ircrobots/default.nix b/pkgs/development/python-modules/ircrobots/default.nix
index 51de0c11bfe2..ef09e41c2361 100644
--- a/pkgs/development/python-modules/ircrobots/default.nix
+++ b/pkgs/development/python-modules/ircrobots/default.nix
@@ -13,21 +13,19 @@
 
 buildPythonPackage rec {
   pname = "ircrobots";
-  version = "0.4.6";
+  version = "0.6.6";
   disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "jesopo";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-+BrS1+ZkgwT/qvqD0PwRZi2LF+31biS738SzKH1dy7w=";
+    hash = "sha256-mIh3tERwHtGH9eA0AT8Lcnwp1Wn9lQhKkUjuZcOXO/c=";
   };
 
   postPatch = ''
     # too specific pins https://github.com/jesopo/ircrobots/issues/3
     sed -iE 's/anyio.*/anyio/' requirements.txt
-    sed -iE 's/ircstates.*/ircstates/' requirements.txt
-    sed -iE 's/async_timeout.*/async_timeout/' requirements.txt
   '';
 
   propagatedBuildInputs = [