diff --git a/AP_sampling/requirements.txt b/AP_sampling/requirements.txt
index 8ec496a..fb43842 100644
--- a/AP_sampling/requirements.txt
+++ b/AP_sampling/requirements.txt
@@ -155,7 +155,7 @@ preshed==3.0.9
 prettytable==3.9.0
 prometheus-client==0.19.0
 prompt-toolkit==3.0.43
-protobuf==4.25.1
+protobuf==4.25.8
 psutil==5.9.6
 ptyprocess==0.7.0
 pure-eval==0.2.2