diff --git a/.github/workflows/dockerfile-build.yml b/.github/workflows/dockerfile_build.yml
similarity index 100%
rename from .github/workflows/dockerfile-build.yml
rename to .github/workflows/dockerfile_build.yml
diff --git a/.github/workflows/link_check.yml b/.github/workflows/link_check.yml
new file mode 100644
index 0000000..88584a8
--- /dev/null
+++ b/.github/workflows/link_check.yml
@@ -0,0 +1,18 @@
+name: Link checker
+on:
+  push:
+    paths:
+      - '**.md'
+  pull_request:
+    paths:
+      -'**.md'
+
+jobs:
+  markdown-link-check:
+    name: Check links in markdown
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+      - uses: gaurav-nelson/github-action-markdown-link-check@v1
+        with:
+          use-verbose-mode: true
diff --git a/.github/workflows/scratch-build.yml b/.github/workflows/scratch_build.yml
similarity index 100%
rename from .github/workflows/scratch-build.yml
rename to .github/workflows/scratch_build.yml