diff --git a/exploring-interpreters.cabal b/exploring-interpreters.cabal
--- a/exploring-interpreters.cabal
+++ b/exploring-interpreters.cabal
@@ -1,7 +1,7 @@
 cabal-version:       >=1.10
 
 name:                exploring-interpreters
-version:             1.3.0.0
+version:             1.4.0.0
 synopsis:            A generic exploring interpreter for exploratory programming
 -- synopsis:
 -- description:
@@ -34,9 +34,9 @@
       fgl >= 5.7.0 && < 5.8,
       transformers >= 0.5.2 && < 0.6,
       mtl          >= 2.2.1 && < 2.3,
-      aeson                 >= 1.5.6 && < 1.6,
+      aeson                 >= 1.5.6,
       attoparsec            >= 0.14.1 && < 0.15,
-      bytestring            >= 0.10.10 && < 0.11,
+      bytestring            >= 0.10.10 && < 0.12,
       scientific            >= 0.3.7 && < 0.4,
       text                  >= 1.2.4 && < 1.3,
       http-types            >= 0.12.3 && < 0.13,