diff --git a/Archive-Cleres/requirements.txt b/Archive-Cleres/requirements.txt
index 1dc1b57..3751a3d 100644
--- a/Archive-Cleres/requirements.txt
+++ b/Archive-Cleres/requirements.txt
@@ -146,7 +146,7 @@ plumber==1.5
 ply==3.11
 proglog==0.1.9
 prompt-toolkit==1.0.15
-protobuf==3.6.1
+protobuf==3.18.3
 psutil==5.4.5
 ptyprocess==0.5.2
 py==1.5.3
diff --git a/requirements.txt b/requirements.txt
index 1dc1b57..3751a3d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -146,7 +146,7 @@ plumber==1.5
 ply==3.11
 proglog==0.1.9
 prompt-toolkit==1.0.15
-protobuf==3.6.1
+protobuf==3.18.3
 psutil==5.4.5
 ptyprocess==0.5.2
 py==1.5.3