diff --git a/.github/workflows/markdown-links.yml b/.github/workflows/markdown-links.yml
new file mode 100644
index 000000000..d9dfcaca7
--- /dev/null
+++ b/.github/workflows/markdown-links.yml
@@ -0,0 +1,13 @@
+name: Check Markdown links
+
+on: push
+
+jobs:
+  markdown-link-check:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: gaurav-nelson/github-action-markdown-link-check@v1
+      with:
+        config-file: tools/markdown-link-check.json
+        use-quiet-mode: yes
diff --git a/tools/markdown-link-check.json b/tools/markdown-link-check.json
new file mode 100644
index 000000000..2daa98ab1
--- /dev/null
+++ b/tools/markdown-link-check.json
@@ -0,0 +1,5 @@
+{
+    "ignorePatterns": [
+      {"pattern": "^https://github.com/icinga/icinga2/issues/"}
+    ]
+}
diff --git a/tools/markdown-link-check.sh b/tools/markdown-link-check.sh
new file mode 100755
index 000000000..c77740b3d
--- /dev/null
+++ b/tools/markdown-link-check.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+set -e
+
+PATH="$(pwd)/node_modules/.bin:${PATH}"
+
+errors=0
+
+while read -r file; do
+  if ! markdown-link-check --config tools/markdown-link-check.json --quiet "$file"; then
+    (( errors++ )) || true
+  fi
+done < <(find -name \*.md)
+
+if [[ $errors -gt 0 ]]; then
+  echo
+  echo "Found ${errors} files with errors!"
+  echo
+  exit 1
+fi