diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9c41ebba1..b9d9e3716 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -183,6 +183,12 @@ jobs:
           docker compose up -d relay-1 relay-2 --no-build
           docker compose up -d gateway --no-build
           docker compose up -d client --no-build
+      - name: Add 10ms simulated latency
+        run: |
+          docker compose exec -d client tc qdisc add dev eth0 root netem delay 10ms
+          docker compose exec -d gateway tc qdisc add dev eth0 root netem delay 10ms
+          docker compose exec -d relay-1 tc qdisc add dev eth0 root netem delay 10ms
+          docker compose exec -d relay-2 tc qdisc add dev eth0 root netem delay 10ms
       - name: "Performance test: ${{ matrix.test_name }}"
         timeout-minutes: 5
         env: