diff --git a/servant-client/servant-client.cabal b/servant-client/servant-client.cabal
index 2bbd00cb..cb3a2440 100644
--- a/servant-client/servant-client.cabal
+++ b/servant-client/servant-client.cabal
@@ -1,5 +1,6 @@
 name:                servant-client
 version:             0.9.1.1
+x-revision:          1
 synopsis: automatical derivation of querying functions for servant webservices
 description:
   This library lets you derive automatically Haskell functions that
@@ -37,7 +38,7 @@ library
   build-depends:
       base                  >= 4.7      && < 4.10
     , base-compat           >= 0.9.1    && < 0.10
-    , aeson                 >= 0.7      && < 1.1
+    , aeson                 >= 0.7      && < 1.2
     , attoparsec            >= 0.12     && < 0.14
     , base64-bytestring     >= 1.0.0.1  && < 1.1
     , bytestring            >= 0.10     && < 0.11
diff --git a/servant-server/servant-server.cabal b/servant-server/servant-server.cabal
index c790e0a3..0987c600 100644
--- a/servant-server/servant-server.cabal
+++ b/servant-server/servant-server.cabal
@@ -1,5 +1,6 @@
 name:                servant-server
 version:             0.9.1.1
+x-revision:          1
 synopsis:            A family of combinators for defining webservices APIs and serving them
 description:
   A family of combinators for defining webservices APIs and serving them
@@ -47,7 +48,7 @@ library
   build-depends:
         base               >= 4.7  && < 4.10
       , base-compat        >= 0.9  && < 0.10
-      , aeson              >= 0.7  && < 1.1
+      , aeson              >= 0.7  && < 1.2
       , attoparsec         >= 0.12 && < 0.14
       , base64-bytestring  >= 1.0  && < 1.1
       , bytestring         >= 0.10 && < 0.11
diff --git a/servant/servant.cabal b/servant/servant.cabal
index 02d366ea..e4055c65 100644
--- a/servant/servant.cabal
+++ b/servant/servant.cabal
@@ -1,5 +1,6 @@
 name:                servant
 version:             0.9.1.1
+x-revision:          1
 synopsis:            A family of combinators for defining webservices APIs
 description:
   A family of combinators for defining webservices APIs and serving them
@@ -51,7 +52,7 @@ library
   build-depends:
       base                  >= 4.7  && < 4.10
     , base-compat           >= 0.9  && < 0.10
-    , aeson                 >= 0.7  && < 1.1
+    , aeson                 >= 0.7  && < 1.2
     , attoparsec            >= 0.12 && < 0.14
     , bytestring            >= 0.10 && < 0.11
     , case-insensitive      >= 1.2  && < 1.3