diff --git a/config/packages/nelmio_security.yaml b/config/packages/nelmio_security.yaml
index 9e8757c..66fc8ad 100644
--- a/config/packages/nelmio_security.yaml
+++ b/config/packages/nelmio_security.yaml
@@ -46,6 +46,8 @@ nelmio_security:
                 - 'self'
             font-src:
                 - 'self'
+            connect-src:
+                - 'self'
             form-action:
                 - 'none'
             frame-ancestors: