diff --git a/requirements.txt b/requirements.txt
index 0993f84..ea91674 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -82,7 +82,7 @@ prawcore==1.0.1
 preshed==3.0.2
 prometheus-client==0.7.1
 prompt-toolkit==2.0.10
-protobuf==3.10.0
+protobuf==3.18.3
 psutil==5.6.7
 ptyprocess==0.6.0
 pyasn1==0.4.8