diff --git a/lib/hs/Thrift.cabal b/lib/hs/Thrift.cabal
index cf02e12..6dd9146 100644
--- a/lib/hs/Thrift.cabal
+++ b/lib/hs/Thrift.cabal
@@ -18,7 +18,7 @@
 --
 
 Name:           thrift
-Version:        0.9.0-dev
+Version:        1.0.0-dev
 Cabal-Version:  >= 1.4
 License:        OtherLicense
 Category:       Foreign