diff --git a/scripts/cerberus_integration.sh b/scripts/cerberus_integration.sh
index 90c16e7a..29d44b9e 100755
--- a/scripts/cerberus_integration.sh
+++ b/scripts/cerberus_integration.sh
@@ -212,7 +212,7 @@ echo ""
 
 log_info "Waiting for httpbin backend to be ready..."
 for i in {1..45}; do
-    if docker exec ${CONTAINER_NAME} sh -c "curl -sf http://${BACKEND_CONTAINER}/get" >/dev/null 2>&1; then
+    if docker exec ${CONTAINER_NAME} sh -c "wget -qO /dev/null http://${BACKEND_CONTAINER}/get" >/dev/null 2>&1; then
         log_info "httpbin backend is ready"
         break
     fi
diff --git a/scripts/coraza_integration.sh b/scripts/coraza_integration.sh
index 68c77aa9..9c1d7463 100755
--- a/scripts/coraza_integration.sh
+++ b/scripts/coraza_integration.sh
@@ -160,7 +160,7 @@ docker run -d --name coraza-backend --network containers_default mccutchen/go-ht
 echo "Waiting for httpbin backend to be ready..."
 for i in {1..20}; do
   # Check if container is running and has network connectivity
-  if docker exec charon-debug sh -c 'curl -s http://coraza-backend/get' >/dev/null 2>&1; then
+  if docker exec charon-debug sh -c 'wget -qO /dev/null http://coraza-backend/get' >/dev/null 2>&1; then
     echo "✓ httpbin backend is ready"
     break
   fi
diff --git a/scripts/rate_limit_integration.sh b/scripts/rate_limit_integration.sh
index c7b58f05..548adbc2 100755
--- a/scripts/rate_limit_integration.sh
+++ b/scripts/rate_limit_integration.sh
@@ -188,7 +188,7 @@ docker run -d --name ${BACKEND_CONTAINER} --network containers_default mccutchen
 
 echo "Waiting for httpbin backend to be ready..."
 for i in {1..45}; do
-    if docker exec ${CONTAINER_NAME} sh -c "curl -sf http://${BACKEND_CONTAINER}/get" >/dev/null 2>&1; then
+    if docker exec ${CONTAINER_NAME} sh -c "wget -qO /dev/null http://${BACKEND_CONTAINER}/get" >/dev/null 2>&1; then
         echo "✓ httpbin backend is ready"
         break
     fi
diff --git a/scripts/waf_integration.sh b/scripts/waf_integration.sh
index 0fc18812..c6023419 100755
--- a/scripts/waf_integration.sh
+++ b/scripts/waf_integration.sh
@@ -203,7 +203,7 @@ echo ""
 
 log_info "Waiting for httpbin backend to be ready..."
 for i in {1..45}; do
-    if docker exec ${CONTAINER_NAME} sh -c "curl -sf http://${BACKEND_CONTAINER}/get" >/dev/null 2>&1; then
+    if docker exec ${CONTAINER_NAME} sh -c "wget -qO /dev/null http://${BACKEND_CONTAINER}/get" >/dev/null 2>&1; then
         log_info "httpbin backend is ready"
         break
     fi