diff --git a/dev-requirements.txt b/dev-requirements.txt
index a4aa308..847d541 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -4,7 +4,7 @@ more-itertools==8.3.0
 packaging==20.4
 pluggy==0.13.1
 pph==0.1.0
-py==1.8.1
+py==1.10.0
 pyparsing==2.4.7
 pytest==5.4.3
 six==1.15.0