1 files changed, 1 insertions, 1 deletions
diff --git a/xmobar.cabal b/xmobar.cabal
index e927e86..43a658e 100644
--- a/xmobar.cabal
+++ b/xmobar.cabal
@@ -104,7 +104,7 @@ executable xmobar
       unix,
       time,
       filepath,
-      X11 == 1.5.*,
+      X11 >= 1.5 && < 1.7,
       mtl == 2.0.*,
       parsec == 3.1.*,
       stm == 2.2.*