diff --git a/stage/build.sh b/stage/build.sh
index 536ad0b..7dd1d55 100755
--- a/stage/build.sh
+++ b/stage/build.sh
@@ -112,6 +112,8 @@ fi
 		source ./env/bin/activate
 	fi
 	pip install ../ -U --no-cache-dir
+	yes || pip uninstall pymavlink
+	pip install "pymavlink<2.0"
 
 	python eepromgen.py
 	cp $STARTDIR/build/test/eeprom.bin $STARTDIR/build/out/default_eeprom.bin