diff --git a/postgrest.cabal b/postgrest.cabal
index 81246dec6..760500073 100644
--- a/postgrest.cabal
+++ b/postgrest.cabal
@@ -26,7 +26,7 @@ executable postgrest
   default-extensions:  OverloadedStrings, ScopedTypeVariables, QuasiQuotes
   ghc-options:         -threaded -rtsopts -with-rtsopts=-N
   default-language:    Haskell2010
-  build-depends:       aeson >= 0.8 && < 0.10
+  build-depends:       aeson (>= 0.8 && < 0.10) || (>= 0.11 && < 0.12)
                      , base >= 4.8 && < 5
                      , bytestring
                      , case-insensitive
diff --git a/stack.yaml b/stack.yaml
index 74f1079af..e0bf3a04d 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,4 +1,4 @@
-resolver: lts-5.0
+resolver: lts-5.5
 extra-deps:
   - Ranged-sets-0.3.0
   - bytestring-tree-builder-0.2.5