diff --git a/requirements.txt b/requirements.txt
index c788c7ac2..3c16ad4af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -60,7 +60,7 @@ pymilvus
 SPARQLWrapper
 mmh3
 weaviate-client==2.5.0
-ray==1.5.0
+ray>=1.5.0,<=1.8.0
 dataclasses-json
 quantulum3
-azure-ai-formrecognizer==3.2.0b2
\ No newline at end of file
+azure-ai-formrecognizer==3.2.0b2