diff --git a/requirements.txt b/requirements.txt
index dd76a671..5d1e7f6f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ plaster==1.0
 plaster-pastedeploy==0.6
 pluggy==0.9.0
 ply==3.11
-py==1.8.0
+py==1.10.0
 Pygments==2.3.1
 pymongo==3.8.0
 pyramid==1.10.2