diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 963d058..84e52aa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,6 +4,7 @@ on:
   push:
     branches: [main]
   pull_request:
+    types: [opened, synchronize, reopened, ready_for_review, converted_to_draft, closed]
 
 # Cancel superseded evidence for the same pull request or branch. This keeps the
 # runner queue bounded during review-fix loops while preserving the newest head.
@@ -17,6 +18,7 @@ permissions:
 
 jobs:
   account-unification-tests:
+    if: ${{ github.event_name != 'pull_request' || (github.event.action != 'closed' && github.event.pull_request.draft == false) }}
     runs-on: ubuntu-latest
     defaults:
       run:
@@ -49,6 +51,7 @@ jobs:
         run: uv build --out-dir dist
 
   realm-config-validates:
+    if: ${{ github.event_name != 'pull_request' || (github.event.action != 'closed' && github.event.pull_request.draft == false) }}
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
@@ -68,6 +71,7 @@ jobs:
           PY
 
   compose-config-validates:
+    if: ${{ github.event_name != 'pull_request' || (github.event.action != 'closed' && github.event.pull_request.draft == false) }}
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
diff --git a/services/account_unification/tests/test_workflow_concurrency_contract.py b/services/account_unification/tests/test_workflow_concurrency_contract.py
index eafc6ca..116062f 100644
--- a/services/account_unification/tests/test_workflow_concurrency_contract.py
+++ b/services/account_unification/tests/test_workflow_concurrency_contract.py
@@ -18,5 +18,19 @@ def test_ci_cancels_only_superseded_heads_from_the_same_pull_request() -> None:
     assert "cancel-in-progress: ${{ github.event_name == 'pull_request' }}" in workflow
 
 
+def test_ci_skips_draft_and_closed_pull_requests() -> None:
+    workflow = (WORKFLOWS / "ci.yml").read_text(encoding="utf-8")
+
+    assert (
+        "types: [opened, synchronize, reopened, ready_for_review, converted_to_draft, closed]"
+        in workflow
+    )
+    admission = (
+        "if: ${{ github.event_name != 'pull_request' || "
+        "(github.event.action != 'closed' && github.event.pull_request.draft == false) }}"
+    )
+    assert workflow.count(admission) == 3
+
+
 def test_central_codeql_is_not_duplicated_locally() -> None:
     assert not (WORKFLOWS / "codeql.yml").exists()