diff --git a/day1/requirement.txt b/day1/requirement.txt
index 8a0a245..0b5ed62 100644
--- a/day1/requirement.txt
+++ b/day1/requirement.txt
@@ -1,7 +1,7 @@
 Click==7.0
 Flask==1.0.2
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 pkg-resources==0.0.0
 python-dotenv==0.10.2