diff --git a/.gitlab/review-apps-values.yaml b/.gitlab/review-apps-values.yaml
index 39675d18a11ea100f328d62b50fe08e84869cff3..84803a4b2a3561e85447a38ea42ce805b25029bd 100644
--- a/.gitlab/review-apps-values.yaml
+++ b/.gitlab/review-apps-values.yaml
@@ -10,7 +10,7 @@ ingress:
     kubernetes.io/tls-acme: "false"
     nginx.ingress.kubernetes.io/ssl-redirect: "false"
     nginx.ingress.kubernetes.io/configuration-snippet: |
-      more_set_headers "Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline'; script-src-elem 'self' 'unsafe-inline'; script-src-attr 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; style-src-elem 'self' 'unsafe-inline'; style-src-attr 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self'; connect-src 'self'; media-src; object-src; prefetch-src; child-src; frame-src 'self'; worker-src; frame-ancestors 'self' https://scripts.zdv.uni-mainz.de; form-action 'self'; base-uri; manifest-src; plugin-types; report-uri; report-to";
+      more_set_headers "Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline'; script-src-elem 'self' 'unsafe-inline'; script-src-attr 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; style-src-elem 'self' 'unsafe-inline'; style-src-attr 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self'; connect-src 'self'; media-src; object-src; prefetch-src; child-src; frame-src 'self'; worker-src; frame-ancestors 'self' https://scripts.zdv.uni-mainz.de; form-action 'self' www.paypal.com; base-uri; manifest-src; plugin-types; report-uri; report-to";
       more_set_headers "X-Frame-Options: sameorigin";
       more_set_headers "X-Content-Type-Options: nosniff";
       more_set_headers "ReferrerPolicy: origin";