diff --git a/hexlib/web.py b/hexlib/web.py
index b596d31..f82867e 100644
--- a/hexlib/web.py
+++ b/hexlib/web.py
@@ -134,7 +134,7 @@ class Web:
         self._logger = logger
         self._current_req = None
         if retry_codes is None or not retry_codes:
-            retry_codes = {502, 504, 522, 524, 429}
+            retry_codes = {502, 504, 520, 522, 524, 429}
         self._retry_codes = retry_codes
 
         if session is None:
diff --git a/setup.py b/setup.py
index fcde087..3ebcbbd 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 
 setup(
     name="hexlib",
-    version="1.59",
+    version="1.60",
     description="Misc utility methods",
     author="simon987",
     author_email="me@simon987.net",