diff --git a/docker/Dockerfile b/docker/Dockerfile
index 2cac165..fc125d3 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM sc4h/alpine-s6overlay:3.10
+FROM sc4h/alpine-s6overlay:v2-3.15
 
 ARG TARGETOS
 ARG TARGETARCH