diff --git a/ekg-json.cabal b/ekg-json.cabal
--- a/ekg-json.cabal
+++ b/ekg-json.cabal
@@ -1,5 +1,5 @@
 name:                ekg-json
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            JSON encoding of ekg metrics
 description:
   Encodes ekg metrics as JSON, using the same encoding as used by the
@@ -19,7 +19,7 @@
   exposed-modules:
     System.Metrics.Json
   build-depends:
-    aeson < 0.11,
+    aeson < 0.12,
     base >= 4.5 && < 4.9,
     ekg-core >= 0.1 && < 0.2,
     text < 1.3,