diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 0bf801bb2d..d2864bbfc2 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -84,7 +84,7 @@ dependencies = [
     "l18n<2022.0,>=2021.3",
     "wagtail==7.2.3",
     "wagtail-localize==1.13",
-    "celery==5.5.3",
+    "celery==5.6.3",
     "wagtail-headless-preview==0.8.0",
     "Jinja2>=3.1.3",
     "icalendar>=5.0.11",