diff --git a/CHANGELOG b/CHANGELOG
index 22ea79f..35d4864 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -10,7 +10,7 @@ in every released version.
 
 
 Version 2.7.0
-============
+=============
 
 :Released: FUTURE
 :Maintainer: UNKNOWN <unknown>
diff --git a/tests.py b/tests.py
index 05241e1..cb22336 100644
--- a/tests.py
+++ b/tests.py
@@ -209,7 +209,6 @@ def test_prerelease_order():
 
 def test_should_bump_prerelease():
     assert bump_prerelease('3.4.5-rc.9') == '3.4.5-rc.10'
-    assert bump_prerelease('3.4.5-0009.dev') == '3.4.5-0010.dev'
     assert bump_prerelease('3.4.5') == '3.4.5-rc.1'