diff --git a/CHANGES.md b/CHANGES.md
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,7 @@
+## 0.4.0.7 (2015-07-07)
+
+ * Support aeson-0.9.
+
 ## 0.4.0.6 (2015-05-08)
 
  * Support GHC 7.10.
diff --git a/ekg.cabal b/ekg.cabal
--- a/ekg.cabal
+++ b/ekg.cabal
@@ -1,5 +1,5 @@
 name:                ekg
-version:             0.4.0.6
+version:             0.4.0.7
 synopsis:            Remote monitoring of processes
 description:
   This library lets you remotely monitor a running process over HTTP.
@@ -37,7 +37,7 @@
     System.Remote.Snap
 
   build-depends:
-    aeson < 0.9,
+    aeson < 0.11,
     base >= 4.5 && < 4.9,
     bytestring < 1.0,
     ekg-core >= 0.1 && < 0.2,