diff --git a/README.md b/README.md
index 9bfc40cb..3bb8cc4c 100644
--- a/README.md
+++ b/README.md
@@ -83,3 +83,7 @@ colcon build --symlink-install ; chmod +x build/urc_nanopb/nanopb/generator/prot
 colcon build --symlink-install ; chmod +x build/urc_nanopb/nanopb/generator/nanopb_generator.py
 colcon build --symlink-install
 ```
+Can also try downgrading/installing protobuf (described in error message):
+```
+pip install protoc==3.20
+```
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