diff --git a/RektNet/requirements.txt b/RektNet/requirements.txt
index 000e9e7..b9dc0a2 100644
--- a/RektNet/requirements.txt
+++ b/RektNet/requirements.txt
@@ -5,6 +5,6 @@ torchvision==0.3.0
 pandas==0.24.2
 optuna==0.19.0
 Pillow==6.2.1
-protobuf==3.11.0
+protobuf==3.15.0
 pymysql==0.9.3
 tqdm==4.39.0