diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3334084..3eec584 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@
 * Add `castor init` command to initialize a new project
 * Add `castor symfony` to install a Symfony application
 * Mount the project in `/var/www` instead of `/home/app`
+* Update Composer to version 2.6.6
 
 ## 3.11.0 (2023-05-30)
 
diff --git a/infrastructure/docker/services/php/Dockerfile b/infrastructure/docker/services/php/Dockerfile
index 7228c50..5dab86c 100644
--- a/infrastructure/docker/services/php/Dockerfile
+++ b/infrastructure/docker/services/php/Dockerfile
@@ -110,7 +110,7 @@ RUN adduser app sudo \
     && phpenmod app-builder
 
 # Composer
-COPY --from=composer/composer:2.5.8 /usr/bin/composer /usr/bin/composer
+COPY --from=composer/composer:2.6.6 /usr/bin/composer /usr/bin/composer
 RUN mkdir -p "/home/app/.composer/cache" \
     && chown app: /home/app/.composer -R