diff --git a/xmonad.cabal b/xmonad.cabal
index f500ae2..e780ae8 100644
--- a/xmonad.cabal
+++ b/xmonad.cabal
@@ -33,7 +33,8 @@ tested-with:
                     GHC==7.8.4,
                     GHC==7.10.3,
                     GHC==8.0.1,
-                    GHC==8.2.2
+                    GHC==8.2.2,
+                    GHC==8.4.1
 
 data-files:         man/xmonad.hs, man/xmonad.1, man/xmonad.1.html