diff --git a/shard.yml b/shard.yml
index a9fb269..d795fdd 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,5 @@
 name: immutable
-version: 0.1.7
+version: 0.1.8
 
 authors:
   - Luca Ongaro <lukeongaro@gmail.com>