diff --git a/shard.yml b/shard.yml
index 13b15ad..b7a3792 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,5 @@
 name: immutable
-version: 0.1.12
+version: 0.1.13
 
 authors:
   - Luca Ongaro <lukeongaro@gmail.com>
diff --git a/src/immutable/version.cr b/src/immutable/version.cr
index 31f4904..4045911 100644
--- a/src/immutable/version.cr
+++ b/src/immutable/version.cr
@@ -1,3 +1,3 @@
 module Immutable
-  VERSION = "0.1.12"
+  VERSION = "0.1.13"
 end