diff --git a/requirements.txt b/requirements.txt
index 1432484..65cde37 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ h5py==2.9.0
 keras==2.2.4
 playsound==1.2.2
 librosa==0.7.1
-protobuf==3.7.1
+protobuf==3.18.3
 xgboost==0.90
 pyyaml==5.1.1
 lightgbm==2.2.3