--- a/threadscope.cabal.orig	2014-11-03 15:23:29.000000000 -0600
+++ b/threadscope.cabal	2014-11-03 15:24:01.000000000 -0600
@@ -41,7 +41,10 @@
 Executable threadscope
   Main-is:           Main.hs
   Build-Depends:     base >= 4.0 && < 5,
-                     gtk >= 0.12, cairo, glib, pango,
+                     gtk >= 0.12 && < 0.13,
+                     cairo < 0.13,
+                     glib < 0.13,
+                     pango < 0.13,
                      binary, array, mtl, filepath,
                      ghc-events >= 0.4.2,
                      containers >= 0.2 && < 0.6,