diff --git a/.github/workflows/e2e-tests-full.yml b/.github/workflows/e2e-tests-full.yml
index b34410e8f..49cfa93d4 100644
--- a/.github/workflows/e2e-tests-full.yml
+++ b/.github/workflows/e2e-tests-full.yml
@@ -25,6 +25,7 @@ jobs:
     timeout-minutes: 60
     strategy:
       fail-fast: false
+      max-parallel: 6
       matrix:
         cdk-source: [npm, main]
         shard: ['1/6', '2/6', '3/6', '4/6', '5/6', '6/6']