diff --git a/xmonad-contrib.cabal b/xmonad-contrib.cabal
index 48dc8edc..d67c3732 100644
--- a/xmonad-contrib.cabal
+++ b/xmonad-contrib.cabal
@@ -36,7 +36,7 @@ cabal-version:      >= 1.6
 build-type:         Simple
 bug-reports:        https://github.com/xmonad/xmonad-contrib/issues
 
-tested-with: GHC==7.8.4, GHC==7.10.3, GHC==8.0.1, GHC==8.2.2, GHC==8.4.3
+tested-with: GHC==7.8.4, GHC==7.10.3, GHC==8.0.1, GHC==8.2.2, GHC==8.4.3, GHC==8.6.1
 
 source-repository head
   type:     git
@@ -54,7 +54,7 @@ flag testing
 library
     build-depends: base >= 4.5 && < 5,
                    bytestring >= 0.10 && < 0.11,
-                   containers >= 0.5 && < 0.6,
+                   containers >= 0.5 && < 0.7,
                    directory,
                    extensible-exceptions,
                    filepath,