diff --git a/projects/Multi_language_OCR/requirements.txt b/projects/Multi_language_OCR/requirements.txt
index 8bc1defe5..4f6cfa040 100644
--- a/projects/Multi_language_OCR/requirements.txt
+++ b/projects/Multi_language_OCR/requirements.txt
@@ -1,2 +1,3 @@
 agentocr==1.3.0
 onnxruntime==1.8.1
+protobuf>=6.33.5 # not directly required, pinned by Snyk to avoid a vulnerability