diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index f566e94..5d37e77 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -14,7 +14,7 @@ repos:
             exclude: miscellaneous/structures/SiO2.xyz
 
     - repo: https://github.com/astral-sh/ruff-pre-commit
-      rev: v0.8.3
+      rev: v0.9.5
       hooks:
           - id: ruff-format
           - id: ruff
@@ -26,7 +26,7 @@ repos:
           - id: yamlfmt
 
     - repo: https://github.com/sirosen/check-jsonschema
-      rev: 0.29.4
+      rev: 0.31.1
       hooks:
           - id: check-github-workflows
 
diff --git a/home/start_page.py b/home/start_page.py
index 58738aa..ad56908 100644
--- a/home/start_page.py
+++ b/home/start_page.py
@@ -158,7 +158,7 @@ def __init__(self, app, allow_move=False, allow_manage=True):
             )
             if app.metadata.get("external_url"):
                 footer_items.append(
-                    f"""<a href="{app.metadata['external_url']}" target="_blank"><button>URL</button></a>"""
+                    f"""<a href="{app.metadata["external_url"]}" target="_blank"><button>URL</button></a>"""
                 )
 
         if allow_move: