diff --git a/books/zero_to_deep_learning/requirements.txt b/books/zero_to_deep_learning/requirements.txt
index b5ad23a..88aeeb7 100644
--- a/books/zero_to_deep_learning/requirements.txt
+++ b/books/zero_to_deep_learning/requirements.txt
@@ -52,7 +52,7 @@ prometheus-client==0.3.0
 prompt-toolkit==1.0.15
 protobuf==3.6.0
 ptyprocess==0.6.0
-py==1.5.4
+py==1.10.0
 Pygments==2.2.0
 pyparsing==2.2.0
 pytest==3.6.3