diff --git a/100_days_of_code/28-30-regex/requirements.txt b/100_days_of_code/28-30-regex/requirements.txt
index 82e4180..51dc54d 100644
--- a/100_days_of_code/28-30-regex/requirements.txt
+++ b/100_days_of_code/28-30-regex/requirements.txt
@@ -1,2 +1,2 @@
-py==1.4.34
+py==1.10.0
 pytest==3.2.3
\ No newline at end of file