diff --git a/code_examples/flask/myapp-0/requirements.txt b/code_examples/flask/myapp-0/requirements.txt
index 7b6e5ec..127aca0 100644
--- a/code_examples/flask/myapp-0/requirements.txt
+++ b/code_examples/flask/myapp-0/requirements.txt
@@ -1,2 +1,2 @@
-flask==0.12.3
+flask==2.3.2
 bokeh==0.12.14