diff --git a/Strafunski-StrategyLib.cabal b/Strafunski-StrategyLib.cabal
--- a/Strafunski-StrategyLib.cabal
+++ b/Strafunski-StrategyLib.cabal
@@ -1,5 +1,5 @@
 name:                Strafunski-StrategyLib
-version:             5.0.0.1
+version:             5.0.0.2
 synopsis:            Library for strategic programming
 description:         This is a version of the StrategyLib library originally shipped with Strafunski, Cabalized and updated to newer versions of GHC. A description of much of StrategyLib can be found in the paper "Design Patterns for Functional Strategic Programming."
 license:             BSD3
@@ -52,8 +52,8 @@
 --   other-modules:       
 
   build-depends:
-        base ==4.5.*,
-        mtl ==2.1.*,
-        syb ==0.3.*,
-        directory ==1.2.*
+        base > 4.4 && < 4.6.1,
+        mtl > 2.1 && < 2.2,
+        syb > 0.3 && < 4.1,
+        directory > 1.2 && < 1.2.1