diff --git a/dockerfiles/Dockerfile b/dockerfiles/Dockerfile
index 345f5c2..c3ed14b 100644
--- a/dockerfiles/Dockerfile
+++ b/dockerfiles/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM alpine:3.11 as alpine
+FROM --platform=$BUILDPLATFORM alpine:3.15 as alpine
 
 RUN apk add --no-cache \
     ca-certificates \