diff --git a/section_11/requirements.txt b/section_11/requirements.txt
index 96ce3ef..5dacc88 100644
--- a/section_11/requirements.txt
+++ b/section_11/requirements.txt
@@ -1,2 +1,2 @@
-Flask==0.12.2
+Flask==2.3.2
 pytest==3.3.2
\ No newline at end of file