diff --git a/app/assets/javascripts/admin/package.json b/app/assets/javascripts/admin/package.json
index 199c83d4f81..2d26ca55ef2 100644
--- a/app/assets/javascripts/admin/package.json
+++ b/app/assets/javascripts/admin/package.json
@@ -46,7 +46,7 @@
     "loader.js": "^4.7.0"
   },
   "engines": {
-    "node": ">= 12.*",
+    "node": "12.* || 14.* || 16.*",
     "npm": "please-use-yarn",
     "yarn": ">= 1.21.1"
   },
diff --git a/app/assets/javascripts/discourse-common/package.json b/app/assets/javascripts/discourse-common/package.json
index 61de38645e7..f804413fd24 100644
--- a/app/assets/javascripts/discourse-common/package.json
+++ b/app/assets/javascripts/discourse-common/package.json
@@ -46,7 +46,7 @@
     "loader.js": "^4.7.0"
   },
   "engines": {
-    "node": ">= 12.*",
+    "node": "12.* || 14.* || 16.*",
     "npm": "please-use-yarn",
     "yarn": ">= 1.21.1"
   },
diff --git a/app/assets/javascripts/discourse-hbr/package.json b/app/assets/javascripts/discourse-hbr/package.json
index f443450f2a8..41517f42de7 100644
--- a/app/assets/javascripts/discourse-hbr/package.json
+++ b/app/assets/javascripts/discourse-hbr/package.json
@@ -46,7 +46,7 @@
     "loader.js": "^4.7.0"
   },
   "engines": {
-    "node": ">= 12.*",
+    "node": "12.* || 14.* || 16.*",
     "npm": "please-use-yarn",
     "yarn": ">= 1.21.1"
   },
diff --git a/app/assets/javascripts/discourse-widget-hbs/package.json b/app/assets/javascripts/discourse-widget-hbs/package.json
index 4787f2640ae..fae09160933 100644
--- a/app/assets/javascripts/discourse-widget-hbs/package.json
+++ b/app/assets/javascripts/discourse-widget-hbs/package.json
@@ -46,7 +46,7 @@
     "loader.js": "^4.7.0"
   },
   "engines": {
-    "node": ">= 12.*",
+    "node": "12.* || 14.* || 16.*",
     "npm": "please-use-yarn",
     "yarn": ">= 1.21.1"
   },
diff --git a/app/assets/javascripts/discourse/lib/bootstrap-json/package.json b/app/assets/javascripts/discourse/lib/bootstrap-json/package.json
index 50d5b34ef2c..5c86ee721a6 100644
--- a/app/assets/javascripts/discourse/lib/bootstrap-json/package.json
+++ b/app/assets/javascripts/discourse/lib/bootstrap-json/package.json
@@ -11,7 +11,7 @@
     ]
   },
   "engines": {
-    "node": ">= 12.*",
+    "node": "12.* || 14.* || 16.*",
     "npm": "please-use-yarn",
     "yarn": ">= 1.21.1"
   }
diff --git a/app/assets/javascripts/discourse/package.json b/app/assets/javascripts/discourse/package.json
index 9bfd19569ba..550b1594f5b 100644
--- a/app/assets/javascripts/discourse/package.json
+++ b/app/assets/javascripts/discourse/package.json
@@ -66,7 +66,7 @@
     "virtual-dom": "^2.1.1"
   },
   "engines": {
-    "node": ">= 12.*",
+    "node": "12.* || 14.* || 16.*",
     "npm": "please-use-yarn",
     "yarn": ">= 1.21.1"
   },
diff --git a/app/assets/javascripts/pretty-text/package.json b/app/assets/javascripts/pretty-text/package.json
index f2823ac6fa1..1ec1e8c21b6 100644
--- a/app/assets/javascripts/pretty-text/package.json
+++ b/app/assets/javascripts/pretty-text/package.json
@@ -45,7 +45,7 @@
     "loader.js": "^4.7.0"
   },
   "engines": {
-    "node": ">= 12.*",
+    "node": "12.* || 14.* || 16.*",
     "npm": "please-use-yarn",
     "yarn": ">= 1.21.1"
   },
diff --git a/app/assets/javascripts/select-kit/package.json b/app/assets/javascripts/select-kit/package.json
index 67f0723434c..3dd5bf0f1e3 100644
--- a/app/assets/javascripts/select-kit/package.json
+++ b/app/assets/javascripts/select-kit/package.json
@@ -44,7 +44,7 @@
     "loader.js": "^4.7.0"
   },
   "engines": {
-    "node": ">= 12.*",
+    "node": "12.* || 14.* || 16.*",
     "npm": "please-use-yarn",
     "yarn": ">= 1.21.1"
   },
diff --git a/app/assets/javascripts/truth-helpers/package.json b/app/assets/javascripts/truth-helpers/package.json
index 68668bf3295..36d50100c24 100644
--- a/app/assets/javascripts/truth-helpers/package.json
+++ b/app/assets/javascripts/truth-helpers/package.json
@@ -44,7 +44,7 @@
     "loader.js": "^4.7.0"
   },
   "engines": {
-    "node": ">= 12.*",
+    "node": "12.* || 14.* || 16.*",
     "npm": "please-use-yarn",
     "yarn": ">= 1.21.1"
   },
diff --git a/bin/ember-cli b/bin/ember-cli
index a646b639705..713876680f9 100755
--- a/bin/ember-cli
+++ b/bin/ember-cli
@@ -46,7 +46,7 @@ if !args.include?("test") && !args.include?("--proxy")
   args << PROXY
 end
 
-system "yarn -s install --cwd #{yarn_dir}"
+exit 1 if !system "yarn -s install --cwd #{yarn_dir}"
 
 if ARGV.include?("-u") || ARGV.include?("--unicorn")
   unicorn_env = { "DISCOURSE_PORT" => ENV["DISCOURSE_PORT"] || "4200" }
@@ -72,7 +72,6 @@ if ARGV.include?("-u") || ARGV.include?("--unicorn")
   end
 
   Process.wait(unicorn_pid)
-
 else
   exec "yarn", *args.to_a.flatten
 end
diff --git a/package.json b/package.json
index 316c1f65653..ac6869dd30a 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "postinstall": "yarn --cwd app/assets/javascripts/discourse"
   },
   "engines": {
-    "node": ">= 12.*",
+    "node": "12.* || 14.* || 16.*",
     "npm": "please-use-yarn",
     "yarn": ">= 1.21.1"
   }