diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef7fc25..6043cb4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 All notable changes to this project will be documented on <https://blueprint.gunbolt.org/>.
 
+## [0.4.0] - 2023-04-25
+
+Release details: <https://blueprint.gunbolt.org/changelogs/v0.4.0/>
+
 ## [0.3.0] - 2023-04-07
 
 Release details: <https://blueprint.gunbolt.org/changelogs/v0.3.0/>
diff --git a/shard.yml b/shard.yml
index 1708ab5..b1152aa 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,13 +1,13 @@
 name: blueprint
 description: |
-  Blueprint is a lib for writing fast, reusable and testable HTML templates in plain Crystal, allowing an OOP (Oriented Object Programming) approach when building your views.
+  Blueprint is a lib for writing reusable and testable HTML templates in plain Crystal, allowing an OOP (Oriented Object Programming) approach when building your views.
 
-version: 0.3.0
+version: 0.4.0
 
 authors:
   - Stephann V. <3025661+stephannv@users.noreply.github.com>
 
-crystal: 1.7.3
+crystal: 1.8.1
 
 license: MIT
 
diff --git a/src/blueprint/version.cr b/src/blueprint/version.cr
index 8769a6b..70d00b7 100644
--- a/src/blueprint/version.cr
+++ b/src/blueprint/version.cr
@@ -1,3 +1,3 @@
 module Blueprint
-  VERSION = "0.3.0"
+  VERSION = "0.4.0"
 end