diff --git a/e2e/docker-compose.yml b/e2e/docker-compose.yml
index 2fed85a..e736e36 100644
--- a/e2e/docker-compose.yml
+++ b/e2e/docker-compose.yml
@@ -108,7 +108,7 @@ services:
         deno install
         echo "Waiting for provider..."
         for i in $(seq 1 60); do
-          if curl -s --max-time 5 -o /dev/null "$$PROVIDER_URL" 2>/dev/null; then
+          if deno eval "try { await fetch('$$PROVIDER_URL'); Deno.exit(0) } catch { Deno.exit(1) }" 2>/dev/null; then
             echo "Provider is ready."
             break
           fi
diff --git a/e2e/setup.sh b/e2e/setup.sh
index cc024a1..c4571e3 100755
--- a/e2e/setup.sh
+++ b/e2e/setup.sh
@@ -123,6 +123,7 @@ MEMPOOL_CHEAP_OP_WEIGHT=1
 MEMPOOL_EXECUTOR_INTERVAL_MS=5000
 MEMPOOL_VERIFIER_INTERVAL_MS=10000
 MEMPOOL_TTL_CHECK_INTERVAL_MS=60000
+MEMPOOL_MAX_RETRY_ATTEMPTS=3
 EOF
 
 # --- Write shared config for test runner ---
diff --git a/lifecycle/ci-setup.ts b/lifecycle/ci-setup.ts
index 376bae4..152acfa 100644
--- a/lifecycle/ci-setup.ts
+++ b/lifecycle/ci-setup.ts
@@ -131,6 +131,7 @@ MEMPOOL_CHEAP_OP_WEIGHT=1
 MEMPOOL_EXECUTOR_INTERVAL_MS=5000
 MEMPOOL_VERIFIER_INTERVAL_MS=10000
 MEMPOOL_TTL_CHECK_INTERVAL_MS=60000
+MEMPOOL_MAX_RETRY_ATTEMPTS=3
 `;
   await Deno.writeTextFile(`${CONFIG_DIR}/provider.env`, providerEnv);
 
diff --git a/lifecycle/docker-compose.yml b/lifecycle/docker-compose.yml
index 97dfe96..5702790 100644
--- a/lifecycle/docker-compose.yml
+++ b/lifecycle/docker-compose.yml
@@ -91,7 +91,7 @@ services:
         deno install
         echo "Waiting for provider..."
         for i in $(seq 1 60); do
-          if curl -s --max-time 5 -o /dev/null "$$PROVIDER_URL" 2>/dev/null; then
+          if deno eval "try { await fetch('$$PROVIDER_URL'); Deno.exit(0) } catch { Deno.exit(1) }" 2>/dev/null; then
             echo "Provider is ready."
             break
           fi