diff --git a/hyper-haskell-server.cabal b/hyper-haskell-server.cabal
--- a/hyper-haskell-server.cabal
+++ b/hyper-haskell-server.cabal
@@ -1,5 +1,5 @@
 Name:               hyper-haskell-server
-Version:            0.1.0.0
+Version:            0.1.0.1
 Synopsis:           Server back-end for the HyperHaskell graphical Haskell interpreter
 Description:
   This package is part of the /HyperHaskell/ project and provides
@@ -22,7 +22,7 @@
 
 Executable hyper-haskell-server
     build-depends:      base           >= 4.6   && < 4.10
-                        , aeson       (>= 0.7   && < 0.10) || == 0.11.* || (>= 1.0 && < 1.1)
+                        , aeson       (>= 0.7   && < 0.10) || == 0.11.* || (>= 1.0 && < 1.3)
                         , bytestring   >= 0.9   && < 0.11
                         , deepseq      >= 1.2   && < 1.5
                         , exceptions   >= 0.6   && < 0.9