diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 ## Changelog
 
+#### 0.3.3.6 (2014-05-11)
+
+* Allow `mtl 2.2.*`
+* Allow `transformers >= 0.4.1 && < 0.5`
+
 #### 0.3.3.5 (2014-04-29)
 
 * Update to `fay 0.20`
diff --git a/snaplet-fay.cabal b/snaplet-fay.cabal
--- a/snaplet-fay.cabal
+++ b/snaplet-fay.cabal
@@ -1,5 +1,5 @@
 name:                snaplet-fay
-version:             0.3.3.5
+version:             0.3.3.6
 synopsis:            Fay integration for Snap with request- and pre-compilation.
 description:         Fay integration for Snap with request based compilation during development and precompilation in production.
                      For more information, please see <https://github.com/bergmark/snaplet-fay>.
@@ -58,7 +58,7 @@
     , directory    >= 1.1 && < 1.3
     , fay          == 0.20.*
     , filepath     == 1.3.*
-    , mtl          == 2.1.*
+    , mtl          >= 2.1 && < 2.3
     , snap         >= 0.11.1 && < 0.14
     , snap-core    >= 0.9.3.1 && < 0.10
-    , transformers == 0.3.*
+    , transformers >= 0.3 && < 0.4 || > 0.4.1 && < 0.5