diff --git a/blender_asset_tracer/__init__.py b/blender_asset_tracer/__init__.py
index 7e978a1..23aae63 100644
--- a/blender_asset_tracer/__init__.py
+++ b/blender_asset_tracer/__init__.py
@@ -20,4 +20,4 @@
 
 # <pep8 compliant>
 
-__version__ = "1.4.1"
+__version__ = "1.5b0"
diff --git a/docs/conf.py b/docs/conf.py
index 5ab8c8c..12d0b75 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -24,9 +24,9 @@ copyright = '2018, Sybren A. Stüvel'
 author = 'Sybren A. Stüvel'
 
 # The short X.Y version
-version = '1.4.1'
+version = '1.5b0'
 # The full version, including alpha/beta/rc tags
-release = '1.4.1'
+release = '1.5b0'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/pyproject.toml b/pyproject.toml
index c6494de..a651acb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "blender-asset-tracer"
-version = "1.4.1"
+version = "1.5b0"
 homepage = 'https://developer.blender.org/project/profile/79/'
 
 description = "BAT parses Blend files and produces dependency information. After installation run `bat --help`"