diff --git a/requirements.txt b/requirements.txt
index 9882e021..3ea128d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ hiredis==2.2.3
 html5lib==1.1
 idna==3.4; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
 mmh3==4.0.1
-outcome==1.2.0; python_version >= '3.6'
+outcome==1.3.0.post0; python_version >= '3.6'
 peewee==3.16.3
 pottery==3.0.0
 psutil==5.9.5