diff --git a/requirements.txt b/requirements.txt
index 77e2acc..05701d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,7 +63,7 @@ pickleshare==0.7.5
 Pillow==7.2.0
 prometheus-client==0.8.0
 prompt-toolkit==3.0.5
-protobuf==3.12.4
+protobuf==3.15.0
 ptyprocess==0.6.0
 pyarrow==1.0.0
 pyasn1==0.4.8