diff --git a/requirements.txt b/requirements.txt
index c3441ef..1adb7e2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+protobuf==3.20.1
 numpy==1.24.3
 opencv-python==4.7.0.72
 onnx==1.14.0
@@ -7,4 +8,4 @@ tk==0.1.0
 pillow==9.5.0
 torch==2.0.1
 onnxruntime-gpu==1.15.0
-opennsfw2==0.10.2
\ No newline at end of file
+opennsfw2==0.10.2