diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 4ace352..de3181d 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -115,7 +115,7 @@
     gtk2
     gtk3
     gtk4
-    gtkmm
+    gtkmm4
     gtkd
   ];