diff --git a/app.json b/app.json
index ea5a2de3..55aea08a 100644
--- a/app.json
+++ b/app.json
@@ -23,5 +23,6 @@
     {
       "url": "heroku/nodejs"
     }
-  ]
+  ],
+  "stack": "heroku-20"
 }
diff --git a/package.json b/package.json
index 340fb5cf..e717df7a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@launchpadlab/lp-components",
-  "version": "5.4.0",
+  "version": "5.4.1",
   "engines": {
     "node": "^8.0.0 || ^10.13.0 || ^12.0.0"
   },