--- a/darcs.cabal
+++ b/darcs.cabal
@@ -389,8 +389,8 @@
                       mtl               >= 2.2.1 && < 2.3,
                       transformers      >= 0.4.2.0 && < 0.6,
                       parsec            >= 3.1.9 && < 3.2,
-                      fgl               >= 5.5.2.3 && < 5.6,
-                      graphviz          >= 2999.18.1 && < 2999.20,
+                      fgl               >= 5.5.2.3,
+                      graphviz          >= 2999.18.1,
                       html              >= 1.0.1.2 && < 1.1,
                       filepath          >= 1.4.1 && < 1.5.0.0,
                       haskeline         >= 0.7.2 && < 0.8,
