diff --git a/CHANGELOG.md b/CHANGELOG.md
index fd5dff0..4a5560b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,12 +2,19 @@
 
 All notable changes to this project will be documented on <https://stephannv.github.io/blueprint-docs/>.
 
+## [0.5.1] - 2023-04-25
+
+Fix Crystal version string requirement.
+
 ## [0.5.0] - 2023-04-25
 
 Performance improvements: Increased speed execution by 15%.
 ```
+
+
 v0.5.0 364.46k (  2.74µs) (± 0.52%)  7.95kB/op  fastest
 v0.4.0 317.83k (  3.15µs) (± 0.76%)  8.99kB/op  1.15× slower
+
 ```
 
 Release details: <https://stephannv.github.io/blueprint-docs/changelogs/v0.5.0/>
diff --git a/shard.yml b/shard.yml
index cfbd918..acfb2d9 100644
--- a/shard.yml
+++ b/shard.yml
@@ -2,7 +2,7 @@ name: blueprint
 description: |
   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: 0.5.0
+version: 0.5.1
 
 authors:
   - Stephann V. <3025661+stephannv@users.noreply.github.com>
diff --git a/src/blueprint/version.cr b/src/blueprint/version.cr
index 5a2832d..49c44a2 100644
--- a/src/blueprint/version.cr
+++ b/src/blueprint/version.cr
@@ -1,3 +1,3 @@
 module Blueprint
-  VERSION = "0.5.0"
+  VERSION = "0.5.1"
 end