diff --git a/deploy/convert_server.py b/deploy/convert_server.py
index 9b73019..d4ffe1a 100755
--- a/deploy/convert_server.py
+++ b/deploy/convert_server.py
@@ -318,27 +318,27 @@ class Handler(BaseHTTPRequestHandler):
 
         for i in range(total):
             chunk = raw[i*CHUNK:(i+1)*CHUNK]
-            r = httpx.post(
-                f"{LUCEE_URL}/chunk.cfm?action=put",
-                json={
-                    "upload_id": upload_id,
-                    "chunk_index": i,
-                    "total_chunks": total,
-                    "filename": filename,
-                    "data": chunk.hex(),
-                },
-                timeout=30
-            )
+            with httpx.Client(http2=True, timeout=30) as client:
+                r = client.post(
+                    f"{LUCEE_URL}/chunk.cfm?action=put",
+                    json={
+                        "upload_id": upload_id,
+                        "chunk_index": i,
+                        "total_chunks": total,
+                        "filename": filename,
+                        "data": chunk.hex(),
+                    },
+                )
             if r.status_code != 200:
                 self._send_error_cors(502, f"chunk {i+1}/{total} failed: HTTP {r.status_code}")
                 return
 
         # Собрать чанки в Lucee
-        resp = httpx.post(
-            f"{LUCEE_URL}/chunk.cfm?action=assemble",
-            json={"upload_id": upload_id, "contract_id": contract_id},
-            timeout=60
-        )
+        with httpx.Client(http2=True, timeout=60) as client:
+            resp = client.post(
+                f"{LUCEE_URL}/chunk.cfm?action=assemble",
+                json={"upload_id": upload_id, "contract_id": contract_id},
+            )
         if resp.status_code == 200:
             self.send_response(200)
             self._send_cors()