diff --git a/Project.toml b/Project.toml
index 2c0ed05..9e29af7 100644
--- a/Project.toml
+++ b/Project.toml
@@ -19,9 +19,9 @@ Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 test = ["Test", "Random"]
 
 [compat]
-Graphics = "1.0"
+Graphics = "0.4, 1.0"
 Colors = "0.12"
 NumericIO = "0.3.1"
-Cairo = "1.0"
-Gtk = "1.0"
+Cairo = "0.6, 1.0"
+Gtk = "0.18, 1.0"
 julia = "1"