diff --git a/manifests/manifest-firefox.json b/manifests/manifest-firefox.json
index d78fd556..d2a5e076 100644
--- a/manifests/manifest-firefox.json
+++ b/manifests/manifest-firefox.json
@@ -59,6 +59,6 @@
         "https://login.microsoftonline.com/common/oauth2/v2.0/token"
     ],
     "content_security_policy": {
-        "extension_pages": "script-src 'self'; font-src 'self'; img-src 'self' data:; style-src 'self' 'unsafe-inline'; connect-src https://www.google.com/ https://*.dropboxapi.com https://www.googleapis.com/ https://accounts.google.com/o/oauth2/revoke https://login.microsoftonline.com/common/oauth2/v2.0/token https://graph.microsoft.com/; default-src 'none'"
+        "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; font-src 'self'; img-src 'self' data:; style-src 'self' 'unsafe-inline'; connect-src https://www.google.com/ https://*.dropboxapi.com https://www.googleapis.com/ https://accounts.google.com/o/oauth2/revoke https://login.microsoftonline.com/common/oauth2/v2.0/token https://graph.microsoft.com/; default-src 'none'"
     }
 }