diff --git a/requirements.txt b/requirements.txt
index 0615b36..d70d2dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -76,7 +76,7 @@ Pillow==8.2.0
 pretty-midi==0.2.9
 promise==2.3
 prompt-toolkit==3.0.18
-protobuf==3.15.6
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pycparser==2.20