diff --git a/tests/requirements.txt b/tests/requirements.txt
index df28960..0a5745c 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -12,7 +12,7 @@ more-itertools==8.2.0; python_version > '3.0'
 packaging==20.3
 pathlib2==2.3.5; python_version < '3.0'
 pluggy==0.13.1
-py==1.8.1
+py==1.10.0
 pyparsing==2.4.7
 pytest==4.6.9; python_version < '3.0'
 pytest==5.4.1; python_version > '3.0'