diff --git a/requirements.txt b/requirements.txt
index 79688dd..5863f09 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 grpcio==1.26.0
 python-dateutil==2.8.1
-protobuf==3.12.2
+protobuf==3.15.0
diff --git a/setup.py b/setup.py
index 537c84c..5af7652 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 with open(os.path.join(here, "falco", "__version__.py"), "r") as f:
     exec(f.read(), about)
 
-requires = ["grpcio==1.26.0", "python-dateutil==2.8.1", "protobuf==3.12.2"]
+requires = ["grpcio==1.26.0", "python-dateutil==2.8.1", "protobuf==3.15.0"]
 tests_require = ["pytest==5.3.5"]
 
 with open("README.md", "r") as f: