diff --git a/hedge_allocations/requirements.txt b/hedge_allocations/requirements.txt
index 07406028b..9c72291db 100644
--- a/hedge_allocations/requirements.txt
+++ b/hedge_allocations/requirements.txt
@@ -115,7 +115,7 @@ pickleshare==0.7.4
 Pillow==4.3.0
 ply==3.10
 prompt-toolkit==1.0.14
-protobuf==3.6.0
+protobuf==3.18.3
 psutil==5.2.2
 psycopg2==2.7.1
 ptyprocess==0.5.1