diff --git a/CHANGES.rst b/CHANGES.rst
index b99af17..b00ddf0 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,10 +1,10 @@
 Changelog
 =========
 
-0.11.1 (unreleased)
+0.12.0 (unreleased)
 -------------------
 
-- Nothing changed yet.
+- Ignore unreleased Python versions (3.8 at the moment).
 
 
 0.11.0 (2019-02-13)
diff --git a/check_python_versions.py b/check_python_versions.py
index 5e02353..5c76cd2 100755
--- a/check_python_versions.py
+++ b/check_python_versions.py
@@ -34,7 +34,7 @@
 
 
 __author__ = 'Marius Gedminas <marius@gedmin.as>'
-__version__ = '0.11.1.dev0'
+__version__ = '0.12.0.dev0'
 
 
 log = logging.getLogger('check-python-versions')
@@ -409,10 +409,11 @@ def get_manylinux_python_versions(filename=MANYLINUX_INSTALL_SH):
 
 
 def important(versions):
+    upcoming_release = f'3.{CURRENT_PYTHON_3_VERSION + 1}'
     return {
         v for v in versions
         if not v.startswith(('PyPy', 'Jython')) and v != 'nightly'
-        and not v.endswith('-dev')
+        and not v.endswith('-dev') and v != upcoming_release
     }
 
 
diff --git a/tests.py b/tests.py
index 33fbe86..a43baed 100644
--- a/tests.py
+++ b/tests.py
@@ -468,9 +468,10 @@ def test_get_manylinux_python_versions(tmp_path):
     ]
 
 
-def test_important():
+def test_important(monkeypatch):
+    monkeypatch.setattr(cpv, 'CURRENT_PYTHON_3_VERSION', 7)
     assert cpv.important({
-        '2.7', '3.4', '3.7-dev', 'nightly', 'PyPy3', 'Jython'
+        '2.7', '3.4', '3.7-dev', '3.8', 'nightly', 'PyPy3', 'Jython'
     }) == {'2.7', '3.4'}