diff --git a/flask-instrumentation/requirements.txt b/flask-instrumentation/requirements.txt
index 9aabe1f..ae2a215 100644
--- a/flask-instrumentation/requirements.txt
+++ b/flask-instrumentation/requirements.txt
@@ -3,4 +3,4 @@ Flask==1.0.2
 itsdangerous==1.1.0
 Jinja2==2.10
 MarkupSafe==1.1.1
-Werkzeug==0.14.1
\ No newline at end of file
+Werkzeug==0.15.5
\ No newline at end of file