diff --git a/src/App.jsx b/src/App.jsx
index b35571a..fa4594a 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -77,6 +77,7 @@ const App = () => {
         case 't':
           setMonth(new Date().getMonth() + 1);
           setDay(new Date().getDate());
+          break;
         default:
       }
     }
diff --git a/src/components/GitHub.jsx b/src/components/GitHub.jsx
index ac87cc7..c8aa09d 100644
--- a/src/components/GitHub.jsx
+++ b/src/components/GitHub.jsx
@@ -8,6 +8,7 @@ const GitHub = () => {
       href="https://github.com/dnhn/hubble30"
       className={css.GitHub}
       target="_blank"
+      rel="noopener noreferrer"
     >
       <img src="./github-mark-white.svg" alt="GitHub" />
     </a>