diff --git a/nlp-orchestrator/requirements.txt b/nlp-orchestrator/requirements.txt
index 8446bb944..009b87225 100644
--- a/nlp-orchestrator/requirements.txt
+++ b/nlp-orchestrator/requirements.txt
@@ -9,7 +9,7 @@ numpy==2.4.6
 opencv-python-headless>=4.8.0
 pdf2image>=1.16.3
 Pillow==12.2.0
-protobuf<=3.20.3
+protobuf<=7.35.1
 psycopg2-binary==2.9.12
 pytest==9.0.3
 pytest-asyncio>0.23.5