diff --git a/yesod-core.cabal b/yesod-core.cabal
index 9734f4f8..f63e720a 100644
--- a/yesod-core.cabal
+++ b/yesod-core.cabal
@@ -33,7 +33,7 @@ library
                    , bytestring                >= 0.9.1.4  && < 0.10
                    , text                      >= 0.5      && < 0.12
                    , template-haskell
-                   , web-routes-quasi          >= 0.6.2    && < 0.7
+                   , web-routes-quasi          >= 0.6.3    && < 0.7
                    , hamlet                    >= 0.7      && < 0.8
                    , blaze-builder             >= 0.2.1    && < 0.3
                    , transformers              >= 0.2      && < 0.3