diff --git a/Dockerfile b/Dockerfile
index 090a882229d1..9088a70a08df 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.14
+FROM alpine:3.15.1
 RUN apk --no-cache add ca-certificates git
 COPY trivy /usr/local/bin/trivy
 COPY contrib/*.tpl contrib/