diff --git a/.github/workflows/pr-database-tests.yml b/.github/workflows/pr-database-tests.yml
index c216218aec..e06072b61e 100644
--- a/.github/workflows/pr-database-tests.yml
+++ b/.github/workflows/pr-database-tests.yml
@@ -84,3 +84,17 @@ jobs:
       - name: Run Database Tests
         working-directory: ./backend
         run: pytest tests/integration/tests/migrations/
+
+  # Keeps the pull request in the merge queue while RunsOn reruns database-tests
+  # after an EC2 Spot interruption. The gate fails when database-tests fails for
+  # any other reason. Require "database-tests-gate / pass" in the main ruleset,
+  # not "database-tests".
+  database-tests-gate:
+    if: ${{ always() && needs.changes.outputs.db == 'true' }}
+    needs: [changes, database-tests]
+    permissions:
+      actions: read
+      checks: read
+    uses: runs-on/spot-retry-gate/.github/workflows/merge-queue.yml@451eea7c3d2c58d14a1f80f0bbb99eaa347b9471 # ratchet:runs-on/spot-retry-gate/.github/workflows/merge-queue.yml@v1.0.0
+    with:
+      job_results: ${{ toJSON(needs) }}
diff --git a/.github/workflows/pr-python-checks.yml b/.github/workflows/pr-python-checks.yml
index 0733cf7a55..b5c9a1cc2f 100644
--- a/.github/workflows/pr-python-checks.yml
+++ b/.github/workflows/pr-python-checks.yml
@@ -78,3 +78,17 @@ jobs:
         env:
           TERM: xterm-256color
         run: ty check --output-format github
+
+  # Keeps the pull request in the merge queue while RunsOn reruns mypy-check
+  # after an EC2 Spot interruption. The gate fails when mypy-check fails for any
+  # other reason. Require "mypy-check-gate / pass" in the main ruleset, not
+  # "mypy-check".
+  mypy-check-gate:
+    if: ${{ always() && needs.changes.outputs.python == 'true' }}
+    needs: [changes, mypy-check]
+    permissions:
+      actions: read
+      checks: read
+    uses: runs-on/spot-retry-gate/.github/workflows/merge-queue.yml@451eea7c3d2c58d14a1f80f0bbb99eaa347b9471 # ratchet:runs-on/spot-retry-gate/.github/workflows/merge-queue.yml@v1.0.0
+    with:
+      job_results: ${{ toJSON(needs) }}
diff --git a/.github/workflows/pr-python-tests.yml b/.github/workflows/pr-python-tests.yml
index d56f104583..46fe46968e 100644
--- a/.github/workflows/pr-python-tests.yml
+++ b/.github/workflows/pr-python-tests.yml
@@ -79,3 +79,17 @@ jobs:
     - name: Run Tests
       shell: script -q -e -c "bash --noprofile --norc -eo pipefail {0}"
       run: py.test -o junit_family=xunit2 -v -n auto backend/tests/unit
+
+  # Keeps the pull request in the merge queue while RunsOn reruns backend-check
+  # after an EC2 Spot interruption. The gate fails when backend-check fails for
+  # any other reason. Require "backend-check-gate / pass" in the main ruleset,
+  # not "backend-check".
+  backend-check-gate:
+    if: ${{ always() && needs.changes.outputs.python == 'true' }}
+    needs: [changes, backend-check]
+    permissions:
+      actions: read
+      checks: read
+    uses: runs-on/spot-retry-gate/.github/workflows/merge-queue.yml@451eea7c3d2c58d14a1f80f0bbb99eaa347b9471 # ratchet:runs-on/spot-retry-gate/.github/workflows/merge-queue.yml@v1.0.0
+    with:
+      job_results: ${{ toJSON(needs) }}