diff --git a/snaplet-mongodb-minimalistic.cabal b/snaplet-mongodb-minimalistic.cabal
--- a/snaplet-mongodb-minimalistic.cabal
+++ b/snaplet-mongodb-minimalistic.cabal
@@ -1,5 +1,5 @@
 Name:               snaplet-mongodb-minimalistic
-Version:            0.0.6.6
+Version:            0.0.6.7
 Synopsis:           Minimalistic MongoDB Snaplet.
 Description:        Minimalistic MongoDB Snaplet.
 License:            BSD3
@@ -33,9 +33,9 @@
 
   Build-depends:
     base                        == 4.*,
-    lens                        == 3.7.*,
+    lens                        >= 3.7 && < 3.9,
     mtl                         == 2.*,
-    snap                        == 0.10.*,
+    snap                        >= 0.10 && < 0.12,
     snap-core                   == 0.9.*,
     text                        == 0.11.*,
     mongoDB                     == 1.3.*