diff --git a/src/_layouts/blog.njk b/src/_layouts/blog.njk
index 280a611..984b3f9 100644
--- a/src/_layouts/blog.njk
+++ b/src/_layouts/blog.njk
@@ -13,6 +13,7 @@
   <link rel="icon" href="/blog_images/favicon.svg">
   {% if "ELEVENTY_ENV" | env == "production"%}
     <!-- Matomo -->
+    <meta http-equiv="Content-Security-Policy" content="default-src 'self' '; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline' 'unsafe-eval';">
     <script>
       var _paq = window._paq || [];
       /* tracker methods like "setCustomDimension" should be called before "trackPageView" */