diff --git a/requirements/adapter.txt b/requirements/adapter.txt
index 4b2cffbb..7a09fae4 100644
--- a/requirements/adapter.txt
+++ b/requirements/adapter.txt
@@ -14,7 +14,8 @@ Flask>=1,<4
 Werkzeug>=2,<4
 pyramid>=1,<3
 sanic>=20,<21; python_version=="3.6"
-sanic>=22,<24; python_version>"3.6"
+sanic>=21,<24; python_version>"3.6" and python_version<="3.8"
+sanic>=21,<25; python_version>"3.8"
 starlette>=0.14,<1
 tornado>=6,<7
 uvicorn<1                                # The oldest version can vary among Python runtime versions