diff --git a/setup.py b/setup.py
index f32c90e..c5e15fa 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@ setup(
     ],
     packages=["meshtastic"],
     include_package_data=True,
-    install_requires=["pyserial>=3.4", "protobuf>=3.6.1",
+    install_requires=["pyserial>=3.4", "protobuf>=3.13.0",
                       "pypubsub>=4.0.3", "dotmap>=1.3.14", "pexpect>=4.6.0", "pyqrcode>=1.2.1",
                       "pygatt>=4.0.5"],
     python_requires='>=3.4',