diff --git a/.cz.toml b/.cz.toml
index 1b5577f8..b7eeb807 100644
--- a/.cz.toml
+++ b/.cz.toml
@@ -1,6 +1,6 @@
 [tool.commitizen]
 name = "cz_conventional_commits"
-version = "4.0.0b0"
+version = "4.0.0b1"
 tag_format = "v$major.$minor.$patch$prerelease"
 version_files = [
     "apps/controllerx/cx_version.py",
diff --git a/apps/controllerx/cx_version.py b/apps/controllerx/cx_version.py
index 9032498a..76640f27 100644
--- a/apps/controllerx/cx_version.py
+++ b/apps/controllerx/cx_version.py
@@ -1 +1 @@
-__version__ = "v4.0.0b0"
+__version__ = "v4.0.0b1"