diff --git a/Dockerfile b/Dockerfile
index 08da988..f8b0369 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,7 +18,7 @@ COPY . .
 RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags="-w -s" -o /opt/hashicorp-vault-proxy
 
 # alpine
-FROM alpine:3.18.4
+FROM alpine:3.18.5
 RUN apk update \
   && apk add --no-cache \
              tzdata \