diff --git a/.github/workflows/link-checker.yaml b/.github/workflows/link-checker.yaml
new file mode 100644
index 000000000..6c3c37df6
--- /dev/null
+++ b/.github/workflows/link-checker.yaml
@@ -0,0 +1,30 @@
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: Check external links
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  mkdocs-link-check:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - uses: byrnereese/github-action-mkdocs-link-check@v1
diff --git a/.github/workflows/publish-docs.yaml b/.github/workflows/publish-docs.yaml
index e32a31486..20bb26838 100644
--- a/.github/workflows/publish-docs.yaml
+++ b/.github/workflows/publish-docs.yaml
@@ -1,10 +1,27 @@
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 name: Publish Docs
+
 on:
   push:
     branches:
       - main
+
 permissions:
   contents: write
+
 jobs:
   deploy:
     runs-on: ubuntu-latest
diff --git a/requirements.txt b/requirements.txt
index e1c5ddd11..0cd7a6a39 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
-mkdocs-material==9.6.12
+mkdocs-material==9.6.14
 mkdocs-redirects==1.2.2
+mkdocs-linkcheck==1.0.6