diff --git a/pyproject.toml b/pyproject.toml
index 1b9589af..1718f226 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ dependencies = [
     "multiaddr @ git+https://github.com/multiformats/py-multiaddr.git@db8124e2321f316d3b7d2733c7df11d6ad9c03e6",
     "mypy-protobuf>=3.0.0",
     "noiseprotocol>=0.3.0",
-    "protobuf>=4.21.0,<5.0.0",
+    "protobuf>=4.25.0,<5.0.0",
     "pycryptodome>=3.9.2",
     "pymultihash>=0.8.2",
     "pynacl>=1.3.0",