diff --git a/tests/python_client/chaos/scripts/install_milvus_cluster.sh b/tests/python_client/chaos/scripts/install_milvus_cluster.sh
index 4eca5881bb..9d7343683a 100644
--- a/tests/python_client/chaos/scripts/install_milvus_cluster.sh
+++ b/tests/python_client/chaos/scripts/install_milvus_cluster.sh
@@ -9,7 +9,7 @@ bash uninstall_milvus.sh ${release} ${ns}|| true
 
 declare -A pod_map=(["querynode"]="queryNode" ["indexnode"]="indexNode" ["datanode"]="dataNode" ["proxy"]="proxy")
 echo "insatll cluster"
-helm install --wait --debug --timeout 360s ${RELEASE_NAME:-$release} milvus/milvus \
+helm install --wait --debug --timeout 600s ${RELEASE_NAME:-$release} milvus/milvus \
                             --set image.all.repository=${REPOSITORY:-"milvusdb/milvus-dev"} \
                             --set image.all.tag=${IMAGE_TAG:-"master-latest"} \
                             --set ${pod_map[${pod}]}.replicas=$node_num \
diff --git a/tests/python_client/chaos/scripts/install_milvus_standalone.sh b/tests/python_client/chaos/scripts/install_milvus_standalone.sh
index a5b834cbe8..900b3c25e1 100644
--- a/tests/python_client/chaos/scripts/install_milvus_standalone.sh
+++ b/tests/python_client/chaos/scripts/install_milvus_standalone.sh
@@ -5,7 +5,7 @@ release=${1:-"milvs-chaos"}
 ns=${2:-"chaos-testing"}
 bash uninstall_milvus.sh ${release} ${ns}|| true
 echo "insatll standalone"
-helm install --wait --debug --timeout 360s ${RELEASE_NAME:-$release} milvus/milvus \
+helm install --wait --debug --timeout 600s ${RELEASE_NAME:-$release} milvus/milvus \
                             --set image.all.repository=${REPOSITORY:-"milvusdb/milvus-dev"} \
                             --set image.all.tag=${IMAGE_TAG:-"master-latest"} \
                             -f ../standalone-values.yaml -n=${ns}
\ No newline at end of file