diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+## 1.5.1.2
+
+* Allow newest transformers
+
 ## 1.5.1
 
 * [Add getAccessTokenWith #42](https://github.com/yesodweb/authenticate/pull/42)
diff --git a/authenticate-oauth.cabal b/authenticate-oauth.cabal
--- a/authenticate-oauth.cabal
+++ b/authenticate-oauth.cabal
@@ -1,5 +1,5 @@
 name:            authenticate-oauth
-version:         1.5.1.1
+version:         1.5.1.2
 license:         BSD3
 license-file:    LICENSE
 author:          Hiromi Ishii
@@ -16,10 +16,10 @@
 library
     build-depends:   base                          >= 4        && < 5
                    , http-client                   >= 0.3
-                   , transformers                  >= 0.1      && < 0.5
+                   , transformers                  >= 0.1      && < 0.6
                    , bytestring                    >= 0.9
                    , crypto-pubkey-types           >= 0.1      && < 0.5
-                   , RSA                           >= 2.0      && < 2.2
+                   , RSA                           >= 2.0      && < 2.3
                    , time
                    , data-default
                    , base64-bytestring             >= 0.1      && < 1.1