diff --git a/requirements.txt b/requirements.txt
index 2a651ca..2cd967b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 numpy==1.21.0
 Pillow==9.0.0
 grpcio==1.38.0
-protobuf==3.17.1
\ No newline at end of file
+protobuf==3.18.3
\ No newline at end of file