diff --git a/Dockerfile b/Dockerfile
index 8d17f662..d215d1f6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,7 @@
 FROM php:8.0.1-alpine3.13 as base
 
 ARG SHLINK_VERSION=2.5.2
+ENV SHLINK_VERSION ${SHLINK_VERSION}
 ENV SWOOLE_VERSION 4.6.2
 ENV PDO_SQLSRV_VERSION 5.9.0
 ENV LC_ALL "C"