diff --git a/.github/workflows/argos.yml b/.github/workflows/argos.yml
index 276d7f25eabf..727cebcc4fa9 100644
--- a/.github/workflows/argos.yml
+++ b/.github/workflows/argos.yml
@@ -32,7 +32,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: 18
+          node-version: 20
 
       - name: Install dependencies
         run: yarn install --frozen-lockfile
diff --git a/.github/workflows/build-blog-only.yml b/.github/workflows/build-blog-only.yml
index 8749510fbbe3..2fdc977cba4d 100644
--- a/.github/workflows/build-blog-only.yml
+++ b/.github/workflows/build-blog-only.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: '18'
+          node-version: 20
           cache: yarn
       - name: Installation
         run: yarn
diff --git a/.github/workflows/build-perf.yml b/.github/workflows/build-perf.yml
index 96464b28b7fd..533a4ade0015 100644
--- a/.github/workflows/build-perf.yml
+++ b/.github/workflows/build-perf.yml
@@ -40,7 +40,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: '18'
+          node-version: 20
           cache: yarn
       - name: Track build size changes
         uses: preactjs/compressed-size-action@f780fd104362cfce9e118f9198df2ee37d12946c # v2
diff --git a/.github/workflows/canary-release.yml b/.github/workflows/canary-release.yml
index f8be24fdfd8b..10290cc51e9f 100644
--- a/.github/workflows/canary-release.yml
+++ b/.github/workflows/canary-release.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: '18'
+          node-version: 20
           cache: yarn
       - name: Prepare git
         run: |
diff --git a/.github/workflows/lighthouse-report.yml b/.github/workflows/lighthouse-report.yml
index 35d35356f08c..7d6a7cd2c836 100644
--- a/.github/workflows/lighthouse-report.yml
+++ b/.github/workflows/lighthouse-report.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: 18
+          node-version: 20
 
       - name: Install dependencies
         run: yarn install --frozen-lockfile
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 82f5b3fee190..195ea6aab4f5 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -24,7 +24,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: '18'
+          node-version: 20
           cache: yarn
       - name: Installation
         run: yarn
diff --git a/.github/workflows/showcase-test.yml b/.github/workflows/showcase-test.yml
index ceedc91bdcf8..1720cdf67641 100644
--- a/.github/workflows/showcase-test.yml
+++ b/.github/workflows/showcase-test.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: '20'
+          node-version: 20
           cache: yarn
       - name: Installation
         run: yarn
diff --git a/.github/workflows/tests-e2e.yml b/.github/workflows/tests-e2e.yml
index b98cb3270ba6..f15227fbf54f 100644
--- a/.github/workflows/tests-e2e.yml
+++ b/.github/workflows/tests-e2e.yml
@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: ['18.0', '18', '20']
+        node: ['18.0', '20', '22']
     steps:
       - name: Checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
@@ -76,10 +76,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-      - name: Use Node.js 18
+      - name: Use Node.js LTS
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: '18'
+          node-version: lts/*
           cache: yarn
       - name: Installation
         run: yarn
@@ -146,10 +146,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-      - name: Use Node.js 18
+      - name: Use Node.js LTS
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: '18'
+          node-version: lts/*
           cache: yarn
       - name: Installation
         run: yarn
@@ -176,10 +176,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-      - name: Use Node.js 18
+      - name: Use Node.js LTS
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: '18'
+          node-version: lts/*
           cache: yarn
       - name: Installation
         run: yarn
diff --git a/.github/workflows/tests-swizzle.yml b/.github/workflows/tests-swizzle.yml
index 7fd0a85dbf5e..493c970228e3 100644
--- a/.github/workflows/tests-swizzle.yml
+++ b/.github/workflows/tests-swizzle.yml
@@ -27,10 +27,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-      - name: Set up Node
+      - name: Set up Node LTS
         uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
         with:
-          node-version: '18'
+          node-version: lts/*
           cache: yarn
       - name: Installation
         run: yarn
diff --git a/.github/workflows/tests-windows.yml b/.github/workflows/tests-windows.yml
index c280e4fd9608..eea285ad6be9 100644
--- a/.github/workflows/tests-windows.yml
+++ b/.github/workflows/tests-windows.yml
@@ -11,6 +11,7 @@ on:
       - jest.config.mjs
       - packages/**
       - tsconfig.*.json
+      - .github/workflows/tests-windows.yml
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
@@ -26,7 +27,7 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        node: ['18.0', '18', '20']
+        node: ['18.0', '20', '22']
     steps:
       - name: Support longpaths
         run: git config --system core.longpaths true
@@ -57,9 +58,9 @@ jobs:
         run: yarn workspace website typecheck
       - name: TypeCheck website - min version - v5.1
         run: |
-          yarn workspace website add typescript@5.1.6 --exact
+          yarn add typescript@5.1.6 --exact -D -W
           yarn workspace website typecheck
       - name: TypeCheck website - max version - Latest
         run: |
-          yarn workspace website add typescript@latest --exact
+          yarn add typescript@latest --exact -D -W
           yarn workspace website typecheck
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ae170e8b25d7..42ae9276a24e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -11,6 +11,7 @@ on:
       - jest.config.mjs
       - packages/**
       - tsconfig.*.json
+      - .github/workflows/tests.yml
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
@@ -26,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: ['18.0', '18', '20']
+        node: ['18.0', '20', '22']
     steps:
       - name: Checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
@@ -48,9 +49,9 @@ jobs:
         run: yarn workspace website typecheck
       - name: TypeCheck website - min version - v5.1
         run: |
-          yarn workspace website add typescript@5.1.6 --exact
+          yarn add typescript@5.1.6 --exact -D -W
           yarn workspace website typecheck
       - name: TypeCheck website - max version - Latest
         run: |
-          yarn workspace website add typescript@latest --exact
+          yarn add typescript@latest --exact -D -W
           yarn workspace website typecheck
diff --git a/package.json b/package.json
index c9abfeb1997c..848d2fe562ae 100644
--- a/package.json
+++ b/package.json
@@ -115,6 +115,6 @@
     "stylelint": "^14.16.1",
     "stylelint-config-prettier": "^9.0.5",
     "stylelint-config-standard": "^29.0.0",
-    "typescript": "~5.4.5"
+    "typescript": "~5.5.2"
   }
 }
diff --git a/packages/create-docusaurus/templates/classic-typescript/package.json b/packages/create-docusaurus/templates/classic-typescript/package.json
index a6a6fde33f30..0988d3690ecf 100644
--- a/packages/create-docusaurus/templates/classic-typescript/package.json
+++ b/packages/create-docusaurus/templates/classic-typescript/package.json
@@ -27,7 +27,7 @@
     "@docusaurus/module-type-aliases": "3.4.0",
     "@docusaurus/tsconfig": "3.4.0",
     "@docusaurus/types": "3.4.0",
-    "typescript": "~5.2.2"
+    "typescript": "~5.5.2"
   },
   "browserslist": {
     "production": [
diff --git a/packages/docusaurus-theme-search-algolia/src/theme/SearchPage/index.tsx b/packages/docusaurus-theme-search-algolia/src/theme/SearchPage/index.tsx
index 2f95bb284285..eea0a71187d1 100644
--- a/packages/docusaurus-theme-search-algolia/src/theme/SearchPage/index.tsx
+++ b/packages/docusaurus-theme-search-algolia/src/theme/SearchPage/index.tsx
@@ -221,6 +221,8 @@ function SearchPageContent(): JSX.Element {
 
   const algoliaClient = algoliaSearch(appId, apiKey);
   const algoliaHelper = algoliaSearchHelper(algoliaClient, indexName, {
+    // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+    // @ts-ignore: why errors happens after upgrading to TS 5.5 ?
     hitsPerPage: 15,
     advancedSyntax: true,
     disjunctiveFacets,
diff --git a/yarn.lock b/yarn.lock
index d8f095addb55..1dea0ad4c8ea 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -16080,15 +16080,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.5.tgz#095979f9bcc0d09da324d58d03ce8f8374cbe65a"
   integrity sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==
 
-typescript@~5.2.2:
-  version "5.2.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.2.2.tgz#5ebb5e5a5b75f085f22bc3f8460fba308310fa78"
-  integrity sha512-mI4WrpHsbCIcwT9cF4FZvr80QUeKvsUsUvKDoR+X/7XHQH98xYD8YHZg7ANtz2GtZt/CBq2QJ0thkGJMHfqc1w==
-
-typescript@~5.4.5:
-  version "5.4.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.4.5.tgz#42ccef2c571fdbd0f6718b1d1f5e6e5ef006f611"
-  integrity sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==
+typescript@~5.5.2:
+  version "5.5.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.5.2.tgz#c26f023cb0054e657ce04f72583ea2d85f8d0507"
+  integrity sha512-NcRtPEOsPFFWjobJEtfihkLCZCXZt/os3zf8nTxjVH3RvTSxjrCamJpbExGvYOF+tFHc3pA65qpdwPbzjohhew==
 
 uglify-js@^3.1.4:
   version "3.17.4"