diff --git a/tomato-rubato-openal.cabal b/tomato-rubato-openal.cabal
--- a/tomato-rubato-openal.cabal
+++ b/tomato-rubato-openal.cabal
@@ -1,5 +1,5 @@
 Name:               tomato-rubato-openal
-Version:            0.1.0.1
+Version:            0.1.0.2
 Synopsis:           Easy to use library for audio programming.
 Description:
   WARNING: This project is still in pre-alpha stage. For adventurers only!
@@ -29,5 +29,8 @@
 
 Library
     hs-source-dirs:     src
-    build-depends:      base == 4.*, stm == 2.2.*, vector == 0.9.*, OpenAL == 1.4.*
+    build-depends:      base == 4.*,
+                        stm >= 2.2 && < 2.4,
+                        vector >= 0.9 && < 0.11,
+                        OpenAL == 1.4.*
     exposed-modules:    Sound.Tomato.Speakers