diff --git a/mangopay.cabal b/mangopay.cabal
--- a/mangopay.cabal
+++ b/mangopay.cabal
@@ -1,5 +1,5 @@
 name:           mangopay
-version:        1.11.3
+version:        1.11.4
 cabal-version:  >= 1.8
 build-type:     Simple
 author:         JP Moresmau <jpmoresmau@gmail.com>
@@ -59,7 +59,7 @@
      , blaze-builder
      , HUnit                >= 1.2.5
      , wai                  >= 3.0        && < 3.1
-     , warp                 >= 3.0        && < 3.1
+     , warp                 >= 3.0        && < 3.2
 
        -- Needed for withWorkaroundManager
      , tls