diff --git a/requirements.txt b/requirements.txt
index 214d68f..6accb30 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-protobuf>=3.19.5,<3.20.1
+protobuf
 transformers==4.27.1
 cpm_kernels
 torch>=1.10