diff --git a/public/index.html b/public/index.html
index e63cf156dc8cfbef86ed76d94a3ee8cc0c638834..a869437c0acd59906bbfebf067d3b45a97b08b72 100644
--- a/public/index.html
+++ b/public/index.html
@@ -193,7 +193,8 @@
       <button class="btn" style="background-color: lightgray;" id="filter2019" onclick="filter(2019)">2019</button>
       <button class="btn" style="background-color: lightgray;" id="filter2020" onclick="filter(2020)">2020</button>
       <button class="btn" style="background-color: lightgray;" id="filter2021" onclick="filter(2021)">2021</button>
-	  <button class="btn" style="background-color: lightgray;" id="filter2022" onclick="filter(2022)">2022</button>
+	    <button class="btn" style="background-color: lightgray;" id="filter2022" onclick="filter(2022)">2022</button>
+	    <button class="btn" style="background-color: lightgray;" id="filter2023" onclick="filter(2023)">2023</button>
     </div>
     <div class="container" id="cont_paper">
       <!-- <div class="card" style="max-width: 1080px;">