diff --git a/requirements.txt b/requirements.txt
index 6c802e3..000a1d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -141,7 +141,7 @@ tzdata==2025.1
 urllib3==1.23
 versioneer==0.29
 wcwidth==0.2.13
-Werkzeug==2.2.3
+Werkzeug==3.0.6
 wrapt==1.12.1
 xiutilities>=1.2.5
 xlrd==2.0.1
diff --git a/requirements_fschimweg.txt b/requirements_fschimweg.txt
index 65c5e9d..b6d4d21 100644
--- a/requirements_fschimweg.txt
+++ b/requirements_fschimweg.txt
@@ -63,6 +63,6 @@ typeguard==2.13.3
 typing_extensions==4.5.0
 tzdata==2023.3
 urllib3==1.26.16
-Werkzeug==2.3.6
+Werkzeug==3.0.6
 wrapt==1.15.0
 xlwt==1.3.0