diff --git a/templates/head_common.html b/templates/head_common.html
index deb4b01..77a51e3 100644
--- a/templates/head_common.html
+++ b/templates/head_common.html
@@ -1,2 +1,2 @@
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-<link rel="stylesheet" href="/njump/static/styles.css?v=20230606b" />
+<link rel="stylesheet" href="/njump/static/styles.css?v=20230715" />