diff --git a/pkgs/applications/networking/irc/catgirl/default.nix b/pkgs/applications/networking/irc/catgirl/default.nix
index 68ada703f8d..9f979781857 100644
--- a/pkgs/applications/networking/irc/catgirl/default.nix
+++ b/pkgs/applications/networking/irc/catgirl/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "catgirl";
-  version = "2.0";
+  version = "2.0a";
 
   src = fetchurl {
     url = "https://git.causal.agency/catgirl/snapshot/${pname}-${version}.tar.gz";
-    sha256 = "sha256-rk6nvfyaFxJ/7JN92L5tDraTngffVb6u/U7dbNjK9jI=";
+    sha256 = "sha256-AbzzTqaulPDplntwRYw4fVxZXUIJ2L0MKZvyWq4lvro=";
   };
 
   # catgirl's configure script uses pkg-config --variable exec_prefix openssl