diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4c22581d..3b25078d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -258,3 +258,16 @@ jobs:
 
       - name: ensure dependences at correct version
         run:   if ! grep -q "${{ matrix.pinned_dep }}" go.mod; then echo dependency ${{ matrix.pinned_dep }} should not be altered ; exit 1 ; fi
+
+  ########################
+  # check PR updates release notes
+  ########################
+  milestone-check:
+    name: check release notes updated
+    runs-on: ubuntu-latest
+    steps:
+      - name: git checkout
+        uses: actions/checkout@v2
+
+      - name: release notes check
+        run: scripts/check-release-notes.sh
diff --git a/scripts/check-release-notes.sh b/scripts/check-release-notes.sh
new file mode 100755
index 00000000..75d471cf
--- /dev/null
+++ b/scripts/check-release-notes.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+# Extract the PR number which is stored in the $GITHUB_REF env variable. The
+# format of the string stored in the variable is: refs/pull/:PRNUMBER/merge.
+PR_NUMBER=$(echo $GITHUB_REF | awk 'BEGIN { FS = "/" } ; { print $3 }')
+
+# Ensure that the PR number at least shows up in the release notes folder under
+# one of the contained milestones.
+if ! grep -r -q "lightningnetwork/lnd/pull/$PR_NUMBER" docs/release-notes; then
+    echo "PR $PR_NUMBER didn't update release notes"
+    exit 1
+fi