diff --git a/promotion-service/requirements.txt b/promotion-service/requirements.txt
index 02be36c..4fc86a6 100644
--- a/promotion-service/requirements.txt
+++ b/promotion-service/requirements.txt
@@ -4,7 +4,7 @@ connexion[swagger-ui] <= 2.3.0; python_version=="3.5" or python_version=="3.4"
 # connexion requires werkzeug but connexion < 2.4.0 does not install werkzeug
 # we must peg werkzeug versions below to fix connexion
 # https://github.com/zalando/connexion/pull/1044
-werkzeug == 0.16.1; python_version=="3.5" or python_version=="3.4"
+werkzeug == 2.2.3; python_version=="3.5" or python_version=="3.4"
 swagger-ui-bundle >= 0.0.2
 python_dateutil >= 2.6.0
 setuptools >= 21.0.0
diff --git a/promotion-service/requirements_dev.txt b/promotion-service/requirements_dev.txt
index 006c1c7..ccc7624 100644
--- a/promotion-service/requirements_dev.txt
+++ b/promotion-service/requirements_dev.txt
@@ -4,7 +4,7 @@ connexion[swagger-ui] <= 2.3.0; python_version=="3.5" or python_version=="3.4"
 # connexion requires werkzeug but connexion < 2.4.0 does not install werkzeug
 # we must peg werkzeug versions below to fix connexion
 # https://github.com/zalando/connexion/pull/1044
-werkzeug == 0.16.1; python_version=="3.5" or python_version=="3.4"
+werkzeug == 2.2.3; python_version=="3.5" or python_version=="3.4"
 swagger-ui-bundle >= 0.0.2
 python_dateutil >= 2.6.0
 setuptools >= 21.0.0