diff --git a/tests/scripts/install_milvus.sh b/tests/scripts/install_milvus.sh
index befa2d7025b430b8e6e9fa48514c85ad96dec5bb..eccb21eb4f823da3a09926ff6a540fd54f7e3ed8 100755
--- a/tests/scripts/install_milvus.sh
+++ b/tests/scripts/install_milvus.sh
@@ -24,7 +24,7 @@ MILVUS_CLUSTER_ENABLED="${MILVUS_CLUSTER_ENABLED:-false}"
 MILVUS_IMAGE_REPO="${MILVUS_IMAGE_REPO:-milvusdb/milvus}"
 MILVUS_IMAGE_TAG="${MILVUS_IMAGE_TAG:-latest}"
 MILVUS_HELM_NAMESPACE="${MILVUS_HELM_NAMESPACE:-default}"
-MILVUS_INSTALL_TIMEOUT="${MILVUS_INSTALL_TIMEOUT:-500s}"
+MILVUS_INSTALL_TIMEOUT="${MILVUS_INSTALL_TIMEOUT:-800s}"
 
 # Delete any previous Milvus cluster
 echo "Deleting previous Milvus cluster with name=${MILVUS_HELM_RELEASE_NAME}"