diff --git a/software/poppy_ergo_jr/_version.py b/software/poppy_ergo_jr/_version.py
index 4eb28e3..d6497a8 100644
--- a/software/poppy_ergo_jr/_version.py
+++ b/software/poppy_ergo_jr/_version.py
@@ -1 +1 @@
-__version__ = '3.0.0'
+__version__ = '4.0.0'