diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index af64eea8..f0006377 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -48,7 +48,7 @@ updates:
       interval: "weekly"
     ignore:
       - dependency-name: "node"
-        versions: ["18-alpine3.17", "19-alpine3.17", "20-alpine3.17"]
+        versions: ["19-alpine3.18", "20-alpine3.18"]
 
   - package-ecosystem: "docker"
     directory: "/clomonitor-archiver"
diff --git a/clomonitor-apiserver/Dockerfile b/clomonitor-apiserver/Dockerfile
index a8bb7762..c2c34ecc 100644
--- a/clomonitor-apiserver/Dockerfile
+++ b/clomonitor-apiserver/Dockerfile
@@ -14,7 +14,7 @@ WORKDIR /clomonitor/clomonitor-apiserver
 RUN cargo build --release
 
 # Build frontend
-FROM node:16-alpine3.17 AS frontend-builder
+FROM node:18-alpine3.18 AS frontend-builder
 RUN apk --no-cache add git
 WORKDIR /web
 COPY web .