diff --git a/requirements.txt b/requirements.txt
index e5794c5..607f5ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ http-request-randomizer==1.2.3
 idna==2.7
 mysql-connector-python==8.0.12
 Pillow==8.1.1
-protobuf==3.6.1
+protobuf==3.15.0
 psutil==5.6.6
 pycparser==2.18
 pyOpenSSL==18.0.0