diff --git a/CHANGES.txt b/CHANGES.txt
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,5 +1,7 @@
 Changelog for Derive
 
+2.5.16
+    Allow transformers-0.4 and above
 2.5.15
     Allow haskell-src-exts-1.15.*
 2.5.14
diff --git a/derive.cabal b/derive.cabal
--- a/derive.cabal
+++ b/derive.cabal
@@ -1,7 +1,7 @@
 cabal-version:  >= 1.6
 build-type:     Default
 name:           derive
-version:        2.5.15
+version:        2.5.16
 build-type:     Simple
 copyright:      Neil Mitchell 2006-2014
 author:         Neil Mitchell <ndmitchell@gmail.com>
@@ -35,7 +35,7 @@
         filepath, syb, template-haskell, containers, pretty,
         directory, process, bytestring,
         haskell-src-exts >= 1.14 && < 1.16,
-        transformers >= 0.2 && < 0.4,
+        transformers >= 0.2,
         uniplate >= 1.5 && < 1.7
 
     exposed-modules: