diff --git a/test-driven-development/requirements.txt b/test-driven-development/requirements.txt
index 3f1e5f8..db5716a 100644
--- a/test-driven-development/requirements.txt
+++ b/test-driven-development/requirements.txt
@@ -8,7 +8,7 @@ more-itertools==7.1.0
 numpy==1.16.4
 packaging==19.0
 pluggy==0.12.0
-py==1.8.0
+py==1.10.0
 pyparsing==2.4.0
 pytest==5.0.1
 scikit-learn==0.21.2