diff --git a/pyproject.toml b/pyproject.toml
index 89af5e383..40f822566 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ dependencies = [
 "tqdm>=4.66.2,<5.0",
 "trl>=0.13,<0.18",
 "peft>=0.8.0,<0.14",
-"protobuf>=5.28.0,<6.0.0",
+"protobuf>=5.28.0,<7.0.0",
 "datasets>=3.5.0,<4.0",
 "simpleeval>=0.9.13,<2.0",
 "pillow>=11.0.0,<12.0",