diff --git a/requirements.txt b/requirements.txt
index 6ab8580..dc2b79c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ pip                  == 20.0.2
 plaster              == 1.0
 plaster-pastedeploy  == 0.7
 pluggy               == 0.13.1
-py                   == 1.8.1
+py                   == 1.10.0
 Pygments             == 2.6.1
 pyparsing            == 2.4.7
 pyramid-debugtoolbar == 4.6.1