diff --git a/deploy/container/Containerfile b/deploy/container/Containerfile
index a335488..a193316 100644
--- a/deploy/container/Containerfile
+++ b/deploy/container/Containerfile
@@ -1,4 +1,5 @@
-FROM oven/bun:1.2.15-alpine
+ARG BUN_IMAGE=oven/bun:1.2.15-alpine
+FROM ${BUN_IMAGE}
 
 WORKDIR /opt/agentrun
 ARG HTTP_PROXY