diff --git a/ui/src/layout/Header.tsx b/ui/src/layout/Header.tsx
index 6c8aa6e..272af39 100644
--- a/ui/src/layout/Header.tsx
+++ b/ui/src/layout/Header.tsx
@@ -118,7 +118,11 @@ class Header extends Component<IProps> {
                             <Highlight />
                         </IconButton>
 
-                        <a href="https://github.com/gotify/server" className={classes.link}>
+                        <a
+                            href="https://github.com/gotify/server"
+                            className={classes.link}
+                            target="_blank"
+                            rel="noopener noreferrer">
                             <IconButton color="inherit">
                                 <GitHubIcon />
                             </IconButton>