diff --git a/Dockerfile b/Dockerfile
index 7f3dfa6..2f16885 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ ARG ARCH=amd64
 
 FROM prom/node-exporter:v1.0.0 AS node-exporter
 
-FROM alpine:3.15
+FROM alpine:3.15.4
 
 COPY --from=node-exporter /bin/node_exporter /bin/