diff --git a/requirements.txt b/requirements.txt
index 480ba1ec..b9e54235 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 markdown
 pyserial
-protobuf
+protobuf>=5.26.0
 dotmap
 pexpect
 pyqrcode
diff --git a/setup.py b/setup.py
index c48cb3d5..b6084265 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@
     include_package_data=True,
     install_requires=[
         "pyserial>=3.4",
-        "protobuf>=3.13.0",
+        "protobuf>=5.26.0",
         "requests>=2.25.0",
         "pypubsub>=4.0.3",
         "dotmap>=1.3.14",