diff --git a/Dockerfile b/Dockerfile
index 796402ff..e46693d4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM golang:1.17-alpine AS build-env
 RUN go install -v github.com/projectdiscovery/subfinder/v2/cmd/subfinder@latest
 
 # Release
-FROM alpine:3.14
+FROM alpine:3.15.0
 RUN apk -U upgrade --no-cache \
     && apk add --no-cache bind-tools ca-certificates
 COPY --from=build-env /go/bin/subfinder /usr/local/bin/subfinder