diff --git a/setup.py b/setup.py
index fbc633e..3fd995e 100644
--- a/setup.py
+++ b/setup.py
@@ -69,7 +69,7 @@
         'protobuf3-to-dict',
         'immutables',
         'alive_progress',
-        'protobuf==3.20.2',
+        'protobuf==4.25.8',
 
         # Dependencies for symchk
         'pdbparse==1.5',