diff --git a/servant-server/servant-server.cabal b/servant-server/servant-server.cabal
index c0a07c3b..0bfba00a 100644
--- a/servant-server/servant-server.cabal
+++ b/servant-server/servant-server.cabal
@@ -40,7 +40,7 @@ library
     Servant.Utils.StaticFiles
   build-depends:
         base               >= 4.7  && < 5
-      , aeson              >= 0.7  && < 0.9
+      , aeson              >= 0.7  && < 0.10
       , attoparsec         >= 0.12 && < 0.14
       , bytestring         >= 0.10 && < 0.11
       , either             >= 4.3  && < 4.5