diff --git a/shard.yml b/shard.yml
index 841640c..a11e108 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,5 @@
 name: awscr-s3
-version: 0.3.4
+version: 0.4.0
 
 authors:
   - Taylor Finnell <tmfinnell@gmail.com>
diff --git a/src/awscr-s3/version.cr b/src/awscr-s3/version.cr
index 44ed40d..c146e81 100644
--- a/src/awscr-s3/version.cr
+++ b/src/awscr-s3/version.cr
@@ -1,7 +1,7 @@
 module Awscr::S3
   MAJOR = "0"
-  MINOR = "3"
-  PATCH = "4"
+  MINOR = "4"
+  PATCH = "0"
 
   # Current version of Awscr::S3.
   VERSION = [MAJOR, MINOR, PATCH].join(".")