diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 3218bd272..79dd85e11 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.20.52",
+    "version": "2.20.53",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",
diff --git a/packages/hydrooj/src/model/builtin.ts b/packages/hydrooj/src/model/builtin.ts
index bc66013ca..c85305e44 100644
--- a/packages/hydrooj/src/model/builtin.ts
+++ b/packages/hydrooj/src/model/builtin.ts
@@ -123,6 +123,7 @@ export const PERMS = [
     Permission('perm_discussion', PERM.PERM_VIEW_DISCUSSION, 'View discussions'),
     Permission('perm_discussion', PERM.PERM_CREATE_DISCUSSION, 'Create discussions'),
     Permission('perm_discussion', PERM.PERM_HIGHLIGHT_DISCUSSION, 'Highlight discussions'),
+    Permission('perm_discussion', PERM.PERM_PIN_DISCUSSION, 'Highlight discussions'),
     Permission('perm_discussion', PERM.PERM_EDIT_DISCUSSION, 'Edit discussions'),
     Permission('perm_discussion', PERM.PERM_EDIT_DISCUSSION_SELF, 'Edit own discussions'),
     Permission('perm_discussion', PERM.PERM_DELETE_DISCUSSION, 'Delete discussions'),