diff --git a/services/proxy/pkg/config/csp.yaml b/services/proxy/pkg/config/csp.yaml
index 7542867caae..23f2e6e9f7a 100644
--- a/services/proxy/pkg/config/csp.yaml
+++ b/services/proxy/pkg/config/csp.yaml
@@ -9,6 +9,7 @@ directives:
     - '''none'''
   font-src:
     - '''self'''
+    - 'data:'
   frame-ancestors:
     - '''self'''
   frame-src: