diff --git a/requirements.txt b/requirements.txt
index 5f32d953..7b5a5315 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
-wagtail==2.12.5
+wagtail==2.15.2
 boto==2.49.0
-celery==4.4.2
+celery==5.2.2
 django_compressor==2.4
 django-storages==1.8
 django-libsass==0.8
@@ -27,3 +27,5 @@ gunicorn==20.0.4
 # Tests
 django-nose==1.4.6
 factory_boy==2.12.0
+django>=3.2.11 # not directly required, pinned by Snyk to avoid a vulnerability
+pillow>=9.0.0 # not directly required, pinned by Snyk to avoid a vulnerability