diff --git a/tests_e2e/docker/docker-compose-acme-e2e.yml b/tests_e2e/docker/docker-compose-acme-e2e.yml
index 21bc259..eea991d 100644
--- a/tests_e2e/docker/docker-compose-acme-e2e.yml
+++ b/tests_e2e/docker/docker-compose-acme-e2e.yml
@@ -71,10 +71,10 @@ services:
       - pebble
     healthcheck:
       test: ["CMD", "curl", "-skf", "https://pebble:14000/dir"]
-      interval: 1s
-      timeout: 3s
-      start_period: 5s  # Sufficient time for CI environments
-      retries: 20        # Enough retries for slower CI
+      interval: 2s
+      timeout: 5s
+      start_period: 20s  # Extended startup window for slow CI
+      retries: 30        # Increased retries for CI reliability
     networks:
       - acme-test
     restart: "no"