diff --git a/README.md b/README.md
index 8eb3464..ac077ea 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ For more information, see [ulid specs][ulid-specs]
    dependencies:
      ulid:
        github: lemarsu/ulid
-       version: 0.1.2
+       version: "~> 0.1.3"
    ```
 
 2. Run `shards install`
diff --git a/shard.yml b/shard.yml
index 5aeeb4e..0948279 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,5 @@
 name: ulid
-version: 0.1.2
+version: 0.1.3
 
 authors:
   - LeMarsu <ch.ruelle at lemarsu.com>
diff --git a/src/ulid.cr b/src/ulid.cr
index 9d1cd5b..250f619 100644
--- a/src/ulid.cr
+++ b/src/ulid.cr
@@ -1,7 +1,7 @@
 require "base32"
 
 module Ulid
-  VERSION = "0.1.2"
+  VERSION = "0.1.3"
 
   class ULID
     class Error < Exception; end