diff --git a/litellm/proxy/common_request_processing.py b/litellm/proxy/common_request_processing.py
index 2ffa5682a39..38ccdeb7c5d 100644
--- a/litellm/proxy/common_request_processing.py
+++ b/litellm/proxy/common_request_processing.py
@@ -740,7 +740,7 @@ class ProxyBaseLLMRequestProcessing:
 
         Proxy/custom headers win on key collisions.
         """
-        excluded_headers = {"transfer-encoding", "content-encoding"}
+        excluded_headers = {"transfer-encoding", "content-encoding", "set-cookie", "connection", "keep-alive", "proxy-authenticate", "proxy-authorization", "te", "trailer", "upgrade"}
 
         merged_headers = {
             key: value