diff --git a/browser-extension/manifest.json b/browser-extension/manifest.json
index 47f144a..90150c7 100644
--- a/browser-extension/manifest.json
+++ b/browser-extension/manifest.json
@@ -8,7 +8,7 @@
     "activeTab"
   ],
   "content_security_policy": {
-    "extension_pages": "default-src 'self'; script-src 'self'; style-src 'self'; connect-src http: https:"
+    "extension_pages": "default-src 'self'; script-src 'self'; style-src 'self'; img-src 'self' data:; connect-src http: https:"
   },
   "host_permissions": [
     "http://*/*",