diff --git a/fb.cabal b/fb.cabal
--- a/fb.cabal
+++ b/fb.cabal
@@ -1,5 +1,5 @@
 name:              fb
-version:           1.0
+version:           1.0.1
 license:           BSD3
 license-file:      LICENSE
 author:            Felipe Lessa
@@ -69,7 +69,7 @@
     , lifted-base          >= 0.1     && < 0.3
     , bytestring           >= 0.9     && < 0.11
     , text                 >= 0.11    && < 1.2
-    , transformers         >= 0.2     && < 0.4
+    , transformers         >= 0.2     && < 0.5
     , transformers-base
     , monad-control
     , resourcet