diff --git a/requirements-test.txt b/requirements-test.txt
index 265f763..1a64fab 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -22,7 +22,7 @@ iniconfig==2.0.0 ; python_version >= "3.11" and python_version < "4.0"
 multidict==6.0.5 ; python_version >= "3.11" and python_version < "4.0"
 packaging==24.1 ; python_version >= "3.11" and python_version < "4.0"
 pluggy==1.5.0 ; python_version >= "3.11" and python_version < "4.0"
-protobuf==5.28.0 ; python_version >= "3.11" and python_version < "4.0"
+protobuf==5.29.3 ; python_version >= "3.11" and python_version < "4.0"
 pytest-asyncio==0.24.0 ; python_version >= "3.11" and python_version < "4.0"
 pytest-cov==5.0.0 ; python_version >= "3.11" and python_version < "4.0"
 pytest==8.3.2 ; python_version >= "3.11" and python_version < "4.0"
diff --git a/requirements.txt b/requirements.txt
index f253841..e4e7cea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,6 +7,6 @@ h2==4.1.0 ; python_version >= "3.11" and python_version < "4.0"
 hpack==4.0.0 ; python_version >= "3.11" and python_version < "4.0"
 hyperframe==6.0.1 ; python_version >= "3.11" and python_version < "4.0"
 multidict==6.0.5 ; python_version >= "3.11" and python_version < "4.0"
-protobuf==5.28.0 ; python_version >= "3.11" and python_version < "4.0"
+protobuf==5.29.3 ; python_version >= "3.11" and python_version < "4.0"
 setuptools==74.0.0 ; python_version >= "3.11" and python_version < "4.0"
 watchdog==5.0.0 ; python_version >= "3.11" and python_version < "4.0"