diff --git a/.github/workflows/build-playground.yml b/.github/workflows/build-playground.yml
index a21089dcec..01b135b064 100644
--- a/.github/workflows/build-playground.yml
+++ b/.github/workflows/build-playground.yml
@@ -32,7 +32,7 @@ jobs:
         run: rustup target add wasm32-unknown-unknown
       - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
-          node-version: 24.21.0
+          node-version: 26.10.0
           package-manager-cache: false
       - uses: jetli/wasm-bindgen-action@20b33e20595891ab1a0ed73145d8a21fc96e7c29 # v0.2.0
       - name: "Install Node dependencies"
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a79c976b2a..6aa210f4f3 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -584,7 +584,7 @@ jobs:
         run: rustup target add wasm32-unknown-unknown
       - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
-          node-version: 24.21.0
+          node-version: 26.10.0
           cache: "npm"
           cache-dependency-path: playground/package-lock.json
       - uses: jetli/wasm-pack-action@0d096b08b4e5a7de8c28de67e11e945404e9eefa # v0.4.0
@@ -1085,7 +1085,7 @@ jobs:
           checksum: "f29c3e94ffabd7e6f3ba521dba169a9b7ec12100bf3257087f0f24f6123f3645"
       - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
-          node-version: 24
+          node-version: 26
       - name: "Cache prek"
         uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
@@ -1173,7 +1173,7 @@ jobs:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
-          node-version: 24.21.0
+          node-version: 26.10.0
           cache: "npm"
           cache-dependency-path: |
             playground/package-lock.json
diff --git a/.github/workflows/publish-playground.yml b/.github/workflows/publish-playground.yml
index 3a14da30e6..c0926e9f9f 100644
--- a/.github/workflows/publish-playground.yml
+++ b/.github/workflows/publish-playground.yml
@@ -42,7 +42,7 @@ jobs:
           persist-credentials: false
       - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
-          node-version: 24.21.0
+          node-version: 26.10.0
           package-manager-cache: false
       - name: "Download Ruff playground"
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
diff --git a/.github/workflows/publish-ty-playground.yml b/.github/workflows/publish-ty-playground.yml
index b59b144b72..52ee9c3318 100644
--- a/.github/workflows/publish-ty-playground.yml
+++ b/.github/workflows/publish-ty-playground.yml
@@ -40,7 +40,7 @@ jobs:
         run: rustup target add wasm32-unknown-unknown
       - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
-          node-version: 24.21.0
+          node-version: 26.10.0
           package-manager-cache: false
       - uses: jetli/wasm-bindgen-action@20b33e20595891ab1a0ed73145d8a21fc96e7c29 # v0.2.0
       - name: "Install Node dependencies"
@@ -79,7 +79,7 @@ jobs:
           persist-credentials: false
       - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
-          node-version: 24.21.0
+          node-version: 26.10.0
           package-manager-cache: false
       - name: "Download ty playground"
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
diff --git a/.github/workflows/publish-wasm.yml b/.github/workflows/publish-wasm.yml
index bf507bf78f..4e7f77948b 100644
--- a/.github/workflows/publish-wasm.yml
+++ b/.github/workflows/publish-wasm.yml
@@ -34,7 +34,7 @@ jobs:
       - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           package-manager-cache: false
-          node-version: 24.21.0
+          node-version: 26.10.0
           registry-url: "https://registry.npmjs.org"
       - name: "Publish (dry-run)"
         if: ${{ inputs.plan == '' || fromJson(inputs.plan).announcement_tag_is_implicit }}