diff --git a/python/sglang/srt/entrypoints/http_server.py b/python/sglang/srt/entrypoints/http_server.py
index fe0f23a5b..4eb546f68 100644
--- a/python/sglang/srt/entrypoints/http_server.py
+++ b/python/sglang/srt/entrypoints/http_server.py
@@ -2078,7 +2078,7 @@ def launch_server(
                     fd=reserved_socket.fileno(),
                     root_path=server_args.fastapi_root_path,
                     log_level=server_args.log_level_http or server_args.log_level,
-                    timeout_keep_alive=5,
+                    timeout_keep_alive=envs.SGLANG_TIMEOUT_KEEP_ALIVE.get(),
                     loop="uvloop",
                     ssl_keyfile=server_args.ssl_keyfile,
                     ssl_certfile=server_args.ssl_certfile,
@@ -2114,7 +2114,7 @@ def launch_server(
                     fd=reserved_socket.fileno(),
                     root_path=server_args.fastapi_root_path,
                     log_level=server_args.log_level_http or server_args.log_level,
-                    timeout_keep_alive=5,
+                    timeout_keep_alive=envs.SGLANG_TIMEOUT_KEEP_ALIVE.get(),
                     loop="uvloop",
                     ssl_keyfile=server_args.ssl_keyfile,
                     ssl_certfile=server_args.ssl_certfile,
@@ -2144,7 +2144,7 @@ def launch_server(
                 fd=reserved_socket.fileno(),
                 root_path=server_args.fastapi_root_path,
                 log_level=server_args.log_level_http or server_args.log_level,
-                timeout_keep_alive=5,
+                timeout_keep_alive=envs.SGLANG_TIMEOUT_KEEP_ALIVE.get(),
                 loop="uvloop",
                 workers=server_args.tokenizer_worker_num,
                 ssl_keyfile=server_args.ssl_keyfile,
diff --git a/python/sglang/srt/environ.py b/python/sglang/srt/environ.py
index 5416151e3..cd10b1281 100644
--- a/python/sglang/srt/environ.py
+++ b/python/sglang/srt/environ.py
@@ -463,6 +463,9 @@ class Envs:
     # Warmup
     SGLANG_WARMUP_TIMEOUT = EnvFloat(-1) # in seconds. If a warmup forward batch takes longer than this, the server will crash to prevent hanging. Recommend to increase warmup timeout to 1800 to accommodate some kernel JIT precache e.g. deep gemm
 
+    # HTTP Server
+    SGLANG_TIMEOUT_KEEP_ALIVE = EnvInt(5)
+
     # Health Check
     SGLANG_ENABLE_HEALTH_ENDPOINT_GENERATION = EnvBool(True)