diff --git a/src/template/head.html b/src/template/head.html
index 27e03451..1b58f67f 100644
--- a/src/template/head.html
+++ b/src/template/head.html
@@ -6,7 +6,7 @@
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <meta name="color-scheme" content="light dark" />
   <title>Directory Index of {{foldername}}</title>
-  <meta http-equiv="Content-Security-Policy" content="*">
+  <meta http-equiv="Content-Security-Policy" content="script-src 'self' https://github.com;">
   <meta name="application-name" content="{{repo}}">
   <meta name="author" content="{{owner}}">
   <meta name="generator" content="{{repo}}">