diff --git a/pyproject.toml b/pyproject.toml
index db63a53a8..07817b6b5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,7 @@ dependencies = [
     "optimum ~= 1.24.0",
     "huggingface_hub >= 0.31.4",
     "numpy>=1.22.2, <=1.26.4",
-    "protobuf>=3.20.3, <4",
+    "protobuf>=3.20.3",
 ]
 
 [project.urls]