diff --git a/.gitlab/workflows/e2e.gitlab-ci.yml b/.gitlab/workflows/e2e.gitlab-ci.yml
index 3dd17b8b8..0d5a695de 100644
--- a/.gitlab/workflows/e2e.gitlab-ci.yml
+++ b/.gitlab/workflows/e2e.gitlab-ci.yml
@@ -1,6 +1,6 @@
 e2e:
   stage: test
-  image: node:18.16.0
+  image: node:20.5.1
   variables:
     POSTGRES_DB: test-misskey
     POSTGRES_HOST_AUTH_METHOD: trust
diff --git a/.gitlab/workflows/nodejs.gitlab-ci.yml b/.gitlab/workflows/nodejs.gitlab-ci.yml
index 7c82435df..4209d7588 100644
--- a/.gitlab/workflows/nodejs.gitlab-ci.yml
+++ b/.gitlab/workflows/nodejs.gitlab-ci.yml
@@ -1,5 +1,5 @@
 test:
-  image: node:18.16.0
+  image: node:20.5.1
   variables:
     POSTGRES_USER: misskey
     POSTGRES_DB: test-misskey
diff --git a/Dockerfile b/Dockerfile
index 1381306ea..21d24d8c4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:18.16.0-alpine3.16 AS base
+FROM node:20.2.0-alpine3.16 AS base
 
 WORKDIR /misskey