diff --git a/requirements.txt b/requirements.txt
index ae00acc..f63657c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ pymediainfo >= 2.1.9
 pydub==0.22.1
 six==1.11.0
 grpcio==1.13.0
-protobuf==3.6.0
+protobuf==3.15.0
 pytube==9.2.2
 m3u8==0.3.6
 requests==2.20.0
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 8dfb393..3715600 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
 # http://pypi.python.org/pypi/setuptools
 
 REQUIRES = ["urllib3 >= 1.15", "six >= 1.10", "certifi", "python-dateutil", "pymediainfo >= 2.1.9", "grpcio==1.13.0",
-            "protobuf==3.6.0", "pydub==0.22.1", "pytube==9.2.2"]
+            "protobuf==3.15.0", "pydub==0.22.1", "pytube==9.2.2"]
 
 
 def readme():