diff --git a/.gitignore b/.gitignore
index 230ac4c..56666fc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@ eventlet-0.9.9.tar.gz
 /eventlet-0.17.3.tar.gz
 /eventlet-0.17.4.tar.gz
 /eventlet-0.18.4.tar.gz
+/eventlet-0.20.1.tar.gz
diff --git a/sources b/sources
index f230d81..e75195d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-8d1c646d8cc10a4958c92fe8a30f3676  eventlet-0.18.4.tar.gz
+SHA512 (eventlet-0.20.1.tar.gz) = 875c1ca82822a486bf28866c7d1f34df2419e7d33450a21740434d2e7f15c37a1090436cb7fe1feaeb5c810d39e4b238206c502323317897c8a42e844cbe7734