diff --git a/requirements.txt b/requirements.txt
index 496da88..e8def39 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ lxml==4.5.0
 MarkupSafe==1.1.1
 opentype-sanitizer==8.0.0.post2
 Pillow==7.1.2
-protobuf==3.12.0
+protobuf==3.15.0
 pybrowserstack-screenshots==0.1
 pycairo==1.19.1
 pyclipper==1.1.0.post3