diff --git a/extensions/markdown/composer.json b/extensions/markdown/composer.json
index 9bc577123..d25a9389d 100644
--- a/extensions/markdown/composer.json
+++ b/extensions/markdown/composer.json
@@ -17,11 +17,11 @@
         }
     ],
     "require": {
-        "flarum/core": "^0.1.0-beta.16"
+        "flarum/core": "^1.0.0"
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "0.1.x-dev"
+            "dev-master": "1.x.x-dev"
         },
         "flarum-extension": {
             "title": "Markdown",