diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index e6390f1..d656b63 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -2,7 +2,7 @@
 commit = True
 tag = False
 message = Bump version: {current_version} → {new_version}
-current_version = 3.0.27
+current_version = 4.0.0
 
 [bumpversion:file:setup.py]
 search = '{current_version}'
diff --git a/setup.py b/setup.py
index 50615ce..5fa461f 100644
--- a/setup.py
+++ b/setup.py
@@ -33,7 +33,7 @@
 
     setup(
         name='fosslight_prechecker',
-        version='3.0.27',
+        version='4.0.0',
         package_dir={"": "src"},
         packages=find_packages(where='src'),
         description='FOSSLight Prechecker',