diff --git a/uhc-util.cabal b/uhc-util.cabal
--- a/uhc-util.cabal
+++ b/uhc-util.cabal
@@ -1,5 +1,5 @@
 Name:				uhc-util
-Version:			0.1.3.7
+Version:			0.1.3.8
 cabal-version:      >= 1.6
 License:			BSD3
 Copyright:			Utrecht University, Department of Information and Computing Sciences, Software Technology group
@@ -21,7 +21,7 @@
   Build-Depends:
     base >= 4 && < 5,
     mtl >= 2,
-    fgl >= 5.4 && < 5.5,
+    fgl >= 5.4,
     hashable >= 1.1,
     containers >= 0.4,
     directory >= 1.1,