diff --git a/requirements.txt b/requirements.txt
index e349a7c..e626be2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,5 +19,5 @@ six==1.11.0
 stellar-base-sseclient==0.0.21
 toml==0.9.4
 urllib3==1.24.2
-Werkzeug==0.15.1
+Werkzeug==0.15.3
 async-generator; python_version < '3.7'
\ No newline at end of file