diff --git a/templates/base/head.tmpl b/templates/base/head.tmpl
index 3d2d5a3..1a473d7 100644
--- a/templates/base/head.tmpl
+++ b/templates/base/head.tmpl
@@ -2,6 +2,7 @@
 <html lang="{{.Language}}">
 <head data-suburl="{{AppSubUrl}}">
 	<meta charset="utf-8">
+	<meta http-equiv="Content-Security-Policy" content="default-src 'self' 'unsafe-inline' 'unsafe-eval' data:;">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
 	<meta http-equiv="x-ua-compatible" content="ie=edge">
 	<title>{{if .Repository.Name}}{{.Repository.Name}}{{else}}{{if .Title}}{{.Title}} — {{end}}{{AppName}}{{end}}</title>
