diff --git a/composer.json b/composer.json
index 5951a76..7398067 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
     "type": "flarum-extension",
     "license": "MIT",
     "require": {
-        "flarum/core": "^1.2.0",
+        "flarum/core": "^1.8",
         "bshaffer/oauth2-server-php": "*",
         "ext-openssl": "*",
         "ext-json": "*"