diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a1ff1c47fe..0b7b2a7cd2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,9 @@ jobs:
   changes:
     name: Detect Changed Paths
     runs-on: ubuntu-latest
-    timeout-minutes: 2
+    # The steps take about 75 seconds, but GitHub can finish the job minutes
+    # after the last step. A 2-minute limit cancelled finished runs.
+    timeout-minutes: 10
     permissions:
       contents: read
       pull-requests: read
diff --git a/crates/buzz-db/src/store/deletion.rs b/crates/buzz-db/src/store/deletion.rs
index d673c5d8d7..2196bb2a83 100644
--- a/crates/buzz-db/src/store/deletion.rs
+++ b/crates/buzz-db/src/store/deletion.rs
@@ -6304,17 +6304,27 @@ mod postgres_tests {
             mismatched_approval.is_err(),
             "approval digest must remain database-bound to the frozen request digest"
         );
+        // PostgreSQL sends this rejection before it rolls the statement back
+        // and releases the request row lock, and sqlx returns on the error.
+        // The claim below uses SKIP LOCKED on another pooled connection, so
+        // finish a round trip on this connection before claiming.
+        let mut tamper_conn = db.pool.acquire().await.expect("acquire tamper connection");
         let mismatched_request = sqlx::query(
             "UPDATE community_deletion_requests SET inventory_digest = $2 WHERE id = $1",
         )
         .bind(request.id)
         .bind(vec![1_u8; 32])
-        .execute(&db.pool)
+        .execute(&mut *tamper_conn)
         .await;
         assert!(
             mismatched_request.is_err(),
             "the frozen request digest must remain bound to its approval"
         );
+        sqlx::query("SELECT 1")
+            .execute(&mut *tamper_conn)
+            .await
+            .expect("rejected update has rolled back");
+        drop(tamper_conn);
         assert!(store
             .claim_specific(request.id, "executor-a", DEFAULT_LEASE_DURATION)
             .await