diff --git a/setup.py b/setup.py
index 2db5e94..8cd204d 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@ def read(*parts):
 install_requires = [
     "click>=7.1,<8.2",
     "graphviz>=0.14,<0.21",
-    "protobuf>=3.13,<5.29"
+    "protobuf>=3.13,<5.30"
 ]
 
 setup_requires = [