diff --git a/.github/workflows/job_detect_changes.yaml b/.github/workflows/job_detect_changes.yaml
index bab067d1f9..4d8258ea85 100644
--- a/.github/workflows/job_detect_changes.yaml
+++ b/.github/workflows/job_detect_changes.yaml
@@ -35,6 +35,9 @@ on:
       configs:
         description: "Whether config files have changed"
         value: ${{ jobs.build.outputs.configs }}
+      planetfall:
+        description: "Whether Planetfall has changed"
+        value: ${{ jobs.build.outputs.planetfall }}
 permissions:
   contents: read
 jobs:
@@ -53,6 +56,7 @@ jobs:
       dependencies: ${{ steps.changes.outputs.dependencies }}
       packages: ${{ steps.changes.outputs.packages }}
       configs: ${{ steps.changes.outputs.configs }}
+      planetfall: ${{ steps.changes.outputs.planetfall }}
     steps:
       - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
       - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
@@ -148,3 +152,8 @@ jobs:
               - 'biome.json'
               - 'turbo.json'
               - 'vitest.workspace.json'
+
+            # Planetfall application
+            planetfall:
+              - 'apps/planetfall/**/!(*.md|*.txt)'
+              - 'apps/planetfall/!(*.md|*.txt)'
diff --git a/.github/workflows/job_test_planetfall.yaml b/.github/workflows/job_test_planetfall.yaml
new file mode 100644
index 0000000000..e0a9b71348
--- /dev/null
+++ b/.github/workflows/job_test_planetfall.yaml
@@ -0,0 +1,19 @@
+name: Test Planetfall
+on:
+  workflow_call:
+permissions:
+  contents: read
+jobs:
+  test:
+    name: Test Planetfall
+    runs-on: depot-ubuntu-24.04-4
+    steps:
+      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+      - name: Setup Node
+        uses: ./.github/actions/setup-node
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build Check
+        run: pnpm turbo run build --filter=@unkey/planetfall
+        env:
+          CI: 1
diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index e51b37401a..5986eef53f 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -45,3 +45,8 @@ jobs:
     if: ((github.event_name == 'pull_request' && github.event.pull_request.draft == false) || github.event_name != 'pull_request') && needs.detect_changes.result == 'success' && needs.detect_changes.outputs.logdrain == 'true'
     needs: [detect_changes]
     uses: ./.github/workflows/job_test_logdrain.yaml
+  test_planetfall:
+    name: Test Planetfall
+    if: ((github.event_name == 'pull_request' && github.event.pull_request.draft == false) || github.event_name != 'pull_request') && needs.detect_changes.result == 'success' && needs.detect_changes.outputs.planetfall == 'true'
+    needs: [detect_changes]
+    uses: ./.github/workflows/job_test_planetfall.yaml
diff --git a/apps/docs/test-change.txt b/apps/docs/test-change.txt
new file mode 100644
index 0000000000..317cc24ea1
--- /dev/null
+++ b/apps/docs/test-change.txt
@@ -0,0 +1 @@
+This is a test change in docs app to verify planetfall workflow doesn't run.