diff --git a/requirements.txt b/requirements.txt
index 4bb6730..1f3a3ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Keras-Preprocessing==1.1.2
 opencv-python==4.5.2.52
 pandas==1.2.4
 Pillow==8.3.2
-protobuf==3.14.0
+protobuf==3.18.3
 requests==2.25.1
 requests-oauthlib==1.3.0
 scipy==1.6.2