diff --git a/requirements.txt b/requirements.txt
index ac53d3fe..7f4ba9cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ MarkupSafe==1.1.1
 opentype-sanitizer==8.1.0
 Pillow==7.2.0
 pip-api==0.0.14
-protobuf==3.13.0
+protobuf==3.18.3
 pybrowserstack-screenshots==0.1
 pycairo==1.20.0
 pyclipper==1.2.0