diff --git a/Dockerfile b/Dockerfile
index f385c43..054ceae 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ COPY . .
 RUN go mod download
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -tags netgo -o /go/bin/drone-terraform
 
-FROM alpine:3.7
+FROM alpine:3.9
 
 RUN apk -U add \
     ca-certificates \