diff --git a/Dockerfile b/Dockerfile
index 3a85c4b..ec0b00b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN apk add --no-cache git \
     && go mod tidy \
     && CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o reviewdog ./cmd/reviewdog
 
-FROM node:25.9.0-alpine3.23@sha256:ad82ecad30371c43f4057aaa4800a8ed88f9446553a2d21323710c7b937177fc
+FROM node:25.9.0-alpine3.23@sha256:bdf2cca6fe3dabd014ea60163eca3f0f7015fbd5c7ee1b0e9ccb4ced6eb02ef4
 ENV MARKDOWNLINT_CLI_VERSION=v0.48.0
 RUN npm install -g "markdownlint-cli@$MARKDOWNLINT_CLI_VERSION"