diff --git a/Dockerfile b/Dockerfile
index 8802469..93e7dc8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ COPY . .
 
 RUN GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build
 
-FROM alpine:3.11
+FROM alpine:3.14
 
 RUN apk add --no-cache ca-certificates
 
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 9f4fa49..1aed87e 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -5,7 +5,7 @@ COPY . .
 
 RUN GOOS=linux GOARCH=arm GOARM=7 CGO_ENABLED=0 go build
 
-FROM alpine:3.11
+FROM alpine:3.14
 
 RUN apk add --no-cache ca-certificates