diff --git a/README-generator/requirements.txt b/README-generator/requirements.txt
index 258b9cf..b93711b 100644
--- a/README-generator/requirements.txt
+++ b/README-generator/requirements.txt
@@ -1,4 +1,4 @@
 jinja2
-sanic
+sanic==21.6.2
 pyyaml
 toml