diff --git a/.gitignore b/.gitignore
index f88e817..def5f9e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@
 /mypy-lang-0.4.6.tar.gz
 /mypy-0.511.tar.gz
 /mypy-0.520.tar.gz
+/mypy-0.521.tar.gz
diff --git a/python3-mypy.spec b/python3-mypy.spec
index 92a02e4..24a37c2 100644
--- a/python3-mypy.spec
+++ b/python3-mypy.spec
@@ -1,5 +1,5 @@
 Name:           python3-mypy
-Version:        0.520
+Version:        0.521
 Release:        1%{?dist}
 Summary:        A static type checker for Python
 %{?python_provide:%python_provide python3-mypy}
@@ -78,6 +78,9 @@ PYTHONPATH=%{buildroot}%{python3_sitelib} \
 %{_prefix}/lib/mypy
 
 %changelog
+* Tue Jul 25 2017 Gwyn Ciesla <limburgher@gmail.com> - 0.521-1
+- 0.521
+
 * Tue Jul 11 2017 Gwyn Ciesla <limburgher@gmail.com> - 0.520-1
 - 0.520
 
diff --git a/sources b/sources
index be6be99..0ab412f 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (mypy-0.520.tar.gz) = 60de6441646d1fa58d16cfb63a2269b9ba1e676041187e35561d1a4adf2a85d3f75b28da084c1e8cca3c9f509a86ccb68b2e8a7e1859df05ef9284274a003132
+SHA512 (mypy-0.521.tar.gz) = 18e262ba7e35b907081eaadf4f268359761d123a1946a1c9d300a94afae41b4d102e5fceb5576dbdc5690c82b633aba2f728ab2115613ac6436e6a3654f0c45f