diff --git a/.codesandbox/ci.json b/.codesandbox/ci.json
index 3c7f242e787a17..ee67badb6d3be3 100644
--- a/.codesandbox/ci.json
+++ b/.codesandbox/ci.json
@@ -2,5 +2,5 @@
   "buildCommand": "build:codesandbox",
   "packages": ["packages/react", "packages/react-components/react-components"],
   "sandboxes": ["x5u3t", "spnyu"],
-  "node": "18"
+  "node": "20"
 }
diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 15fd7b83b20cd0..332364aa72dd1e 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,4 +1,4 @@
-ARG VARIANT=18-bookworm
+ARG VARIANT=20-bookworm
 # https://github.com/devcontainers/images/tree/main/src/typescript-node
 FROM mcr.microsoft.com/devcontainers/typescript-node:1-${VARIANT}
 
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index c4432253ef93a0..036816f8059aa9 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -3,7 +3,7 @@
   "build": {
     "dockerfile": "Dockerfile",
     "args": {
-      "VARIANT": "18-bookworm"
+      "VARIANT": "20-bookworm"
     }
   },
   "features": {
diff --git a/.devops/templates/tools.yml b/.devops/templates/tools.yml
index 99f5a7a6ca2dac..7d9e9af92f0fe3 100644
--- a/.devops/templates/tools.yml
+++ b/.devops/templates/tools.yml
@@ -6,7 +6,7 @@ steps:
       # - we can use only versions that ship with container, otherwise we will run into nodejs installation issues.
       # - as 1es bumps those versions within container automatically we need to use `<major>.x` to not run into issues once they bump the versions.
       # https://github.com/actions/runner-images/blob/ubuntu20/20230924.1/images/linux/Ubuntu2004-Readme.md#nodejs
-      version: '18.x'
+      version: '20.x'
       checkLatest: false
     displayName: 'Install Node.js'
     retryCountOnTaskFailure: 1
diff --git a/.github/workflows/check-packages.yml b/.github/workflows/check-packages.yml
index cbfb7971cd1da8..cc5403deac4315 100644
--- a/.github/workflows/check-packages.yml
+++ b/.github/workflows/check-packages.yml
@@ -12,7 +12,7 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: 18.x
+          node-version: 20.x
           cache: 'yarn'
 
       - uses: tj-actions/changed-files@v41
@@ -44,7 +44,7 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: 18.x
+          node-version: 20.x
 
       - uses: actions/github-script@v6
         with:
@@ -70,7 +70,7 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: 18.x
+          node-version: 20.x
 
       - uses: actions/github-script@v6
         with:
diff --git a/.github/workflows/docsite-publish-chromatic.yml b/.github/workflows/docsite-publish-chromatic.yml
index 6ff2d279f0c085..98996527dc860e 100644
--- a/.github/workflows/docsite-publish-chromatic.yml
+++ b/.github/workflows/docsite-publish-chromatic.yml
@@ -37,7 +37,7 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: 18.x
+          node-version: 20.x
           cache: 'yarn'
 
       - name: Install packages
diff --git a/.github/workflows/docsite-publish-ghpages.yml b/.github/workflows/docsite-publish-ghpages.yml
index a3d2486b85e143..7e624f0c19312b 100644
--- a/.github/workflows/docsite-publish-ghpages.yml
+++ b/.github/workflows/docsite-publish-ghpages.yml
@@ -37,7 +37,7 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: 18.x
+          node-version: 20.x
           cache: 'yarn'
 
       - name: Install packages
diff --git a/package.json b/package.json
index 74a9c0caf08ee3..21c0bb1f89ab46 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "url": "https://github.com/microsoft/fluentui"
   },
   "engines": {
-    "node": "^18.0.0 || ^20.0.0"
+    "node": "^20.0.0 || ^22.0.0"
   },
   "scripts": {
     "dedupe": "npx yarn-deduplicate --strategy fewer",