diff --git a/setup.py b/setup.py
index 0fa0c30..33e2d0c 100644
--- a/setup.py
+++ b/setup.py
@@ -56,9 +56,9 @@ class BuildPyCommand(build_py):
 
 setup(
     name='py3-validate-email',
-    version='1.0.0',
+    version='1.0.1',
     packages=find_packages(exclude=['tests']),
-    install_requires=['dnspython~=2.0', 'idna~=3.0', 'filelock~=3.0'],
+    install_requires=['dnspython~=2.1', 'idna~=3.0', 'filelock~=3.0'],
     author='László Károlyi',
     author_email='laszlo@karolyi.hu',
     description=(