diff --git a/.version b/.version
index 1a7197d..8aba935 100644
--- a/.version
+++ b/.version
@@ -1 +1 @@
-0.511
+0.520
diff --git a/setup.py b/setup.py
index a35a61d..9930e6e 100644
--- a/setup.py
+++ b/setup.py
@@ -4,5 +4,5 @@ from setuptools import setup
 setup(
     name='pre_commit_dummy_package',
     version='0.0.0',
-    install_requires=['mypy==0.511'],
+    install_requires=['mypy==0.520'],
 )