diff --git a/tox.ini b/tox.ini
index be821e9adf..98219b620f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -575,7 +575,7 @@ deps =
   aiopg >= 0.13.0, < 1.3.0
   sqlalchemy ~= 1.4
   redis ~= 4.3
-  celery[pytest] >= 4.0, < 6.0
+  celery[pytest]==5.2.7
   protobuf~=3.13
   requests==2.25.0
   pyodbc~=4.0.30