diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 34790c30d0..8027c6aec1 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -84,7 +84,7 @@ dependencies = [
     "l18n<2022.0,>=2021.3",
     "wagtail==7.1.2",
     "wagtail-localize==1.10",
-    "celery==5.5.3",
+    "celery==5.6.3",
     "wagtail-headless-preview==0.8.0",
     "Jinja2>=3.1.3",
     "icalendar>=5.0.11",