diff --git a/netlify.toml b/netlify.toml
index 89e8aec..89e1130 100644
--- a/netlify.toml
+++ b/netlify.toml
@@ -7,7 +7,7 @@ package = "netlify-plugin-cache"
 [[headers]]
     for = "/*"
     [headers.values]
-    Content-Security-Policy = "upgrade-insecure-requests; block-all-mixed-content;"
+    Content-Security-Policy = "upgrade-insecure-requests;"
     X-Content-Type-Options = "nosniff"
     X-Frame-Options = "DENY"
     X-XSS-Protection = "1; mode=block"