diff --git a/dev/requirements_old.txt b/dev/requirements_old.txt
index 09761645e..f32e57d84 100644
--- a/dev/requirements_old.txt
+++ b/dev/requirements_old.txt
@@ -42,7 +42,7 @@ pexpect==4.7.0
 pickleshare==0.7.5
 pkg-resources==0.0.0
 prompt-toolkit==2.0.9
-protobuf==3.10.0
+protobuf==3.18.3
 ptyprocess==0.6.0
 pycparser==2.19
 Pygments==2.4.2