diff --git a/CHANGELOG.md b/CHANGELOG.md
index a08b1ad..973e151 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+### 0.5.1 - September 28, 2021
+
+- add support for Boolean, null and undefined as arguments of the 'op' command
+- allow arbitrary size in WRITE_MEMORY to fill a continiuos block of memory with a single byte value
+- fix: after reloading the game JS scripts could have been duplicated
+
 ### 0.5.0 - September 25, 2021
 
 - add support for GTA III 1.0 and GTA VC 1.0
diff --git a/website/index.html b/website/index.html
index b5a933b..c499a45 100644
--- a/website/index.html
+++ b/website/index.html
@@ -100,7 +100,7 @@ <h1 class="font-weight-bold d-flex justify-content-center">
                 href="https://github.com/cleolibrary/CLEO-Redux/releases/latest"
                 >Download</a
               >
-              <small class="pt-1 text-muted">v0.5.0 | Sep 25, 2021</small>
+              <small class="pt-1 text-muted">v0.5.1 | Sep 28, 2021</small>
             </div>
           </div>
         </div>