diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f6d003..5d0b9a0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 2024-08-05
+
+Added environment variable `COMPOSER_ROOT_VERSION` set to `1.0.0` to not require Git to find the fallback version number when not defined.
+
 ## 2024-08-02
 
 Deprecated the installation and update scripts that were previously included in the repository. 
diff --git a/fpm/Dockerfile b/fpm/Dockerfile
index 2f11326..ca25c5a 100644
--- a/fpm/Dockerfile
+++ b/fpm/Dockerfile
@@ -33,6 +33,7 @@ ENV APP_ENV=prod \
     SHOPWARE_SKIP_WEBINSTALLER=1 \
     COMPOSER_PLUGIN_LOADER=1 \
     COMPOSER_HOME=/tmp/composer \
+    COMPOSER_ROOT_VERSION=1.0.0 \
     INSTALL_LOCALE=en-GB \
     INSTALL_CURRENCY=EUR \
     INSTALL_ADMIN_USERNAME=admin \