diff --git a/boilerplate/skeleton/extension/js/package.json b/boilerplate/skeleton/extension/js/package.json
index 2005fa4..0136bc0 100644
--- a/boilerplate/skeleton/extension/js/package.json
+++ b/boilerplate/skeleton/extension/js/package.json
@@ -7,7 +7,7 @@
   "dependencies": {
   },
   "devDependencies": {
-    "@flarum/jest-config": "^1.0.1",
+    "@flarum/jest-config": "^2.0.0",
     "@flarum/prettier-config": "^1.0.0",
     "flarum-tsconfig": "^2.0.0",
     "flarum-webpack-config": "^3.0.0",
diff --git a/boilerplate/skeleton/extension/phpstan.neon b/boilerplate/skeleton/extension/phpstan.neon
index c324402..ec3c9d5 100644
--- a/boilerplate/skeleton/extension/phpstan.neon
+++ b/boilerplate/skeleton/extension/phpstan.neon
@@ -8,5 +8,4 @@ parameters:
     - src
   excludePaths:
     - *.blade.php
-  checkMissingIterableValueType: false
   databaseMigrationsPath: ['migrations']
diff --git a/src/steps/upgrade/twopointoh/dependencies.ts b/src/steps/upgrade/twopointoh/dependencies.ts
index 6c5591a..397f514 100644
--- a/src/steps/upgrade/twopointoh/dependencies.ts
+++ b/src/steps/upgrade/twopointoh/dependencies.ts
@@ -58,7 +58,7 @@ export default class Dependencies extends BaseUpgradeStep {
         });
 
         if (key === 'flarum/core') {
-          composer.require[key] = '^2.0.0-beta';
+          composer.require[key] = '^2.0.0';
         } else if (key.startsWith('flarum/') && value !== '*') {
           composer.require[key] = '*';
         }
@@ -74,16 +74,22 @@ export default class Dependencies extends BaseUpgradeStep {
         });
 
         if (['flarum/core', 'flarum/testing', 'flarum/phpstan'].includes(key)) {
-          composer['require-dev'][key] = '^2.0.0-beta';
+          composer['require-dev'][key] = '^2.0.0';
         } else if (key.startsWith('flarum/') && (value as string).startsWith('^1')) {
           composer['require-dev'][key] = '*';
         }
       }
 
       if (composer.require.php) {
-        composer.require.php = '^8.2';
+        composer.require.php = '^8.3';
       }
 
+      // 2.0 constraints resolve to prereleases while the line is in RC, so the
+      // extension has to accept them — with stable preferred wherever one
+      // exists, so only Flarum itself comes from the beta channel.
+      composer['minimum-stability'] = 'beta';
+      composer['prefer-stable'] = true;
+
       if (composer.require['fof/extend']) {
         composer.require['fof/extend'] = '^2.0.0';
       }