diff --git a/requirements.txt b/requirements.txt
index badfec3be..1a1162566 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,4 @@ numpy==1.24.4
 sentencepiece==0.1.98
 transformers>=4.34.0
 gguf>=0.1.0
+protobuf>=4.21.0