diff --git a/Dockerfile b/Dockerfile
index 4fa74dd..002be9d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ WORKDIR /var/app
 RUN go mod tidy
 RUN CGO_ENABLED=0 go build -o app .
 
-FROM alpine:3.14
+FROM alpine:3.23
 LABEL org.opencontainers.image.source=https://github.com/trstringer/manual-approval
 RUN apk update && apk add ca-certificates
 COPY --from=builder /var/app/app /var/app/app