diff --git a/postgresql-binary.cabal b/postgresql-binary.cabal
--- a/postgresql-binary.cabal
+++ b/postgresql-binary.cabal
@@ -1,7 +1,7 @@
 name:
   postgresql-binary
 version:
-  0.9.0.1
+  0.9.1
 synopsis:
   Encoders and decoders for the PostgreSQL's binary format
 description:
@@ -72,7 +72,7 @@
     -- parsing:
     binary-parser >= 0.5 && < 0.6,
     -- data:
-    aeson >= 0.9 && < 0.12,
+    aeson >= 0.9 && < 2,
     uuid == 1.3.*,
     time >= 1.4 && < 2,
     scientific >= 0.2 && < 0.4,