diff --git a/content/german/blog/spezialistenlager-2023.md b/content/german/blog/spezialistenlager-2023.md
index fdd07483..c78b447e 100644
--- a/content/german/blog/spezialistenlager-2023.md
+++ b/content/german/blog/spezialistenlager-2023.md
@@ -13,6 +13,7 @@ categories:
 tags:
   - spezilager
   - matheolympiade
+  - "2023"
 type: post
 ---