diff --git a/python_apps/airtime-celery/setup.py b/python_apps/airtime-celery/setup.py
index 052626d0e..07348c565 100644
--- a/python_apps/airtime-celery/setup.py
+++ b/python_apps/airtime-celery/setup.py
@@ -48,7 +48,7 @@ setup(
     author_email="duncan.sommerville@sourcefabric.org",
     license="MIT",
     packages=["airtime-celery"],
-    install_requires=["soundcloud", "celery", "kombu", "configobj"],
+    install_requires=["soundcloud", "celery==4.4.7", "kombu==4.6.10", "configobj"],
     zip_safe=False,
     data_files=data_files,
 )