diff --git a/app.json b/app.json
index 338ad6fb9..e7ee6686e 100644
--- a/app.json
+++ b/app.json
@@ -1,5 +1,5 @@
 {
-  "stack": "cedar-14",
+  "stack": "heroku-22",
   "environments": {
     "test": {
       "buildpacks": [