diff --git a/.releaserc b/.releaserc
index 9e3a48e..92f35c9 100644
--- a/.releaserc
+++ b/.releaserc
@@ -1,5 +1,10 @@
 {
-    "branches": ["master",  {name: "beta", prerelease: true}, {name: "alpha", prerelease: true}],
+    "branches": [
+        "master",
+        "+([0-9])?(.{+([0-9]),x}).x",
+        {name: "beta", prerelease: true},
+        {name: "alpha", prerelease: true},
+    ],
     "plugins": [
         "@semantic-release/commit-analyzer",
         "@semantic-release/release-notes-generator",
diff --git a/setup.py b/setup.py
index 2489f60..af61708 100644
--- a/setup.py
+++ b/setup.py
@@ -4,6 +4,7 @@
 from io import open
 
 from setuptools import find_packages, setup
+from setuptools.command.test import test as TestCommand
 
 
 def read(f):
@@ -19,6 +20,7 @@ def get_version(package):
     ).read()
     return re.search("__version__ = ['\"]([^'\"]+)['\"]", init_py).group(1)
 
+
 # Inspired by the example at https://pytest.org/latest/goodpractises.html
 class NoseTestCommand(TestCommand):
     def finalize_options(self):