diff --git a/starRGB/requirements.txt b/starRGB/requirements.txt
index 393fbc6..6bff588 100644
--- a/starRGB/requirements.txt
+++ b/starRGB/requirements.txt
@@ -13,7 +13,7 @@ matplotlib==3.2.1
 Augmentor==0.2.8
 grpc==1.0.0
 Pillow==7.2.0
-protobuf==3.12.4
+protobuf==3.18.3
 scikit_learn==0.23.2
 skimage==0.0
 tensorflow==2.3.0