diff --git a/requirements.txt b/requirements.txt
index 6fe36bd..ad5e8d6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ numpy==1.16.2
 opencv-python==3.4.11.41
 pbr==5.1.3
 Pillow==9.0.1
-protobuf==3.7.1
+protobuf==3.15.0
 pyparsing==2.4.0
 PyQt5==5.12.1
 PyQt5-sip==4.19.15