Update adapter.txt

Author: WilliamBergamin

requirements/adapter.txt

@@ -11,7 +11,8 @@ falcon>=2,<5; python_version<"3.11"
 falcon>=3.1.1,<5; python_version>="3.11"
 fastapi>=0.70.0,<1
 Flask>=1,<4
-Werkzeug>=3.1.8,<4
+Werkzeug>=2,<3; python_version<"3.9"
+Werkzeug>=3.1.8,<4; python_version>="3.9"
 pyramid>=1,<3
 setuptools<82  # Pinned: Pyramid depends on pkg_resources (deprecated in setuptools 67.5.0, removed in 82+). See: https://github.com/Pylons/pyramid/issues/3731