diff --git a/.github/workflows/check-file-diff.yml b/.github/workflows/check-file-diff.yml
index c2cb792c31..39c1db99ca 100644
--- a/.github/workflows/check-file-diff.yml
+++ b/.github/workflows/check-file-diff.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '18'
+          node-version: '22'
       - run: npm run setup
       - name: Run Danger
         run: npx danger ci --dangerfile scripts/dangerfile.ts
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7ef545108d..44af1b0524 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '18'
+          node-version: '22'
       - name: Setup Graphviz
         uses: ts-graphviz/setup-graphviz@v2
       - name: Install Java
@@ -49,7 +49,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '18'
+          node-version: '22'
       - name: Setup Graphviz
         uses: ts-graphviz/setup-graphviz@v2
       - name: Install Java
@@ -84,7 +84,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '18'
+          node-version: '22'
       - name: Setup Graphviz
         uses: ts-graphviz/setup-graphviz@v2
       - name: Install Java
diff --git a/docs/_markbind/variables.md b/docs/_markbind/variables.md
index 7a17c9c567..a641a6f5c4 100644
--- a/docs/_markbind/variables.md
+++ b/docs/_markbind/variables.md
@@ -11,8 +11,8 @@
 <variable name="icon_info">:fas-info-circle:</variable>
 <variable name="icon_ticked">:far-check-square:</variable>
 
-<variable name="node_version_number">18</variable>
-<variable name="node_dev_version_number">18.20.4</variable>
+<variable name="node_version_number">22</variable>
+<variable name="node_dev_version_number">22.22.0</variable>
 <variable name="node_version"><tooltip content="MarkBind aims to support up to the last maintenance lts release as outlined [here](https://nodejs.org/en/about/releases/)">v{{ node_version_number }}</tooltip></variable>
 <variable name="node_dev_version"><tooltip content="MarkBind aims to support up to the last maintenance lts release as outlined [here](https://nodejs.org/en/about/releases/)">v{{ node_dev_version_number }}</tooltip></variable>
 <variable name="graphviz_version_number">2.38</variable>
diff --git a/docs/userGuide/deployingTheSite.md b/docs/userGuide/deployingTheSite.md
index 732ec06a60..0480897003 100644
--- a/docs/userGuide/deployingTheSite.md
+++ b/docs/userGuide/deployingTheSite.md
@@ -113,7 +113,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '18'
+          node-version: '22'
       - run: npm i -g markbind-cli
       - run: markbind deploy --ci
 ```
@@ -201,7 +201,7 @@ Since May 2018, Travis CI has been [undergoing migration to `travis-ci.com`](htt
     ```yml
     language: node_js
     node_js:
-      - 18
+      - 22
     install:
       - npm i -g markbind-cli
     script: markbind build
@@ -269,7 +269,7 @@ The `repo` value can be changed to your specific repository as desired.
 
     ```yml
     environment:
-      nodejs_version: '18'
+      nodejs_version: '22'
     
     branches:
       only:
@@ -316,7 +316,7 @@ Commit and push `appveyor.yml` to your GitHub repository. Thereafter, AppVeyor C
         steps:
           - checkout
           - node/install:
-              node-version: "18"
+              node-version: "22"
               npm-version: "10"
               install-yarn: false
           - run: node --version
@@ -436,7 +436,7 @@ jobs:
       - name: Install Node
         uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 22
       - name: Build MarkBind website
         run: |
           npm install -g markbind-cli
@@ -506,7 +506,7 @@ jobs:
       - name: Install Node
         uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 22
       - name: Build PR preview url
         id: pr-url
         run: |
diff --git a/netlify.toml b/netlify.toml
index 36b8d61641..5396cff65a 100644
--- a/netlify.toml
+++ b/netlify.toml
@@ -1,3 +1,3 @@
 [build]
   command = "npm run deploy:netlify"
-  environment = { NODE_VERSION = "18.20.4"}
+  environment = { NODE_VERSION = "22.22.0"}