diff --git a/purescript.cabal b/purescript.cabal
--- a/purescript.cabal
+++ b/purescript.cabal
@@ -1,5 +1,5 @@
 name: purescript
-version: 0.7.2.0
+version: 0.7.2.1
 cabal-version: >=1.8
 build-type: Simple
 license: MIT
@@ -42,7 +42,7 @@
                    pattern-arrows >= 0.0.2 && < 0.1,
                    time -any,
                    boxes >= 0.1.4 && < 0.2.0,
-                   aeson >= 0.8 && < 0.9,
+                   aeson >= 0.8 && < 0.10,
                    vector -any,
                    bower-json >= 0.7,
                    aeson-better-errors >= 0.8,
