diff --git a/pyproject.toml b/pyproject.toml
index 4a536425..e16e0993 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ classifiers = [
 ]
 dependencies = [
   "pycryptodomex==3.19.1",
-  "protobuf==3.20.1",
+  "protobuf==3.20.2",
   "cryptography==42.0.4",
   "pynacl==1.5.0",
   "mnemonic==0.20",