diff --git a/setup.py b/setup.py
index 02317db..9bce2d4 100644
--- a/setup.py
+++ b/setup.py
@@ -50,7 +50,7 @@
             "colorama",
             "tabulate",
             "progress",
-            "protobuf==3.9.1",
+            "protobuf>=3.15.0",
         ],
         dependency_links=[
             "git+https://github.com/OpenSimulationInterface/"