diff --git a/build/requirements.txt b/build/requirements.txt
index 2dcdff0..6a1a9f0 100644
--- a/build/requirements.txt
+++ b/build/requirements.txt
@@ -1,6 +1,6 @@
 wheel
 pygame==2.0.2
-sanic==21.9.3
+sanic==21.3.4
 sanic-Cors==1.0.1
 syncer==1.3.0
 aiohttp==3.7.4