diff --git a/extension.json b/extension.json
index da76362..e8f65f3 100644
--- a/extension.json
+++ b/extension.json
@@ -10,6 +10,9 @@
 	"descriptionmsg": "cookiewarning-desc",
 	"type": "other",
 	"license-name": "MIT",
+	"requires": {
+		"MediaWiki": ">= 1.25.0"
+	},
 	"MessagesDirs": {
 		"CookieWarning": [
 			"i18n"
@@ -81,6 +84,7 @@
 		"ext.CookieWarning": {
 			"dependencies": [
 				"mediawiki.api",
+				"mediawiki.api.options",
 				"mediawiki.cookie",
 				"mediawiki.user"
 			],
diff --git a/resources/ext.CookieWarning/ext.CookieWarning.js b/resources/ext.CookieWarning/ext.CookieWarning.js
index c30b14a..8189db0 100644
--- a/resources/ext.CookieWarning/ext.CookieWarning.js
+++ b/resources/ext.CookieWarning/ext.CookieWarning.js
@@ -14,14 +14,12 @@
 		// the user preferences.
 		if ( !mw.user.isAnon() ) {
 			// try to save, that the cookiewarning was disabled, in the user preferences
-			new mw.Api().postWithToken( 'options', {
-				action: 'options',
-				change: 'cookiewarning_dismissed=1'
-			} ).fail( function ( code, result ) {
-				// if it fails, fall back to the cookie
-				mw.log.warn( 'Failed to save dismissed CookieWarning: ' + code + '\n' + result.error + '. Using cookie now.' );
-				setCookie();
-			} );
+			new mw.Api().saveOption( 'cookiewarning_dismissed', '1' )
+				.fail( function ( code, result ) {
+					// if it fails, fall back to the cookie
+					mw.log.warn( 'Failed to save dismissed CookieWarning: ' + code + '\n' + result.error + '. Using cookie now.' );
+					setCookie();
+				} );
 		} else {
 			// use cookies for anonymous users
 			setCookie();