diff --git a/apps/flow/n8n/n8n-values-configmap.yaml b/apps/flow/n8n/n8n-values-configmap.yaml
index cfd9dcd..f76c004 100644
--- a/apps/flow/n8n/n8n-values-configmap.yaml
+++ b/apps/flow/n8n/n8n-values-configmap.yaml
@@ -25,6 +25,8 @@ data:
       enabled: true
       annotations:
         kubernetes.io/tls-acme: "true"
+        nginx.ingress.kubernetes.io/configuration-snippet: |
+          more_set_headers "Content-Security-Policy: frame-ancestors 'self' files.${domain}";
       hosts:
         - host: "${n8n_domain}"
           paths: [ "/" ]
diff --git a/apps/meet/calcom/calcom-values-configmap.yaml b/apps/meet/calcom/calcom-values-configmap.yaml
index b72bb0c..b44b909 100644
--- a/apps/meet/calcom/calcom-values-configmap.yaml
+++ b/apps/meet/calcom/calcom-values-configmap.yaml
@@ -33,6 +33,8 @@ data:
         enabled: true
         annotations:
           kubernetes.io/tls-acme: "true"
+          nginx.ingress.kubernetes.io/configuration-snippet: |
+            more_set_headers "Content-Security-Policy: frame-ancestors 'self' files.${domain}";
         hosts:
           - host: "${calcom_domain}"
             paths:
diff --git a/apps/sprint/taiga/taiga-values-configmap.yaml b/apps/sprint/taiga/taiga-values-configmap.yaml
index bbcbddc..8e0e0ff 100644
--- a/apps/sprint/taiga/taiga-values-configmap.yaml
+++ b/apps/sprint/taiga/taiga-values-configmap.yaml
@@ -23,6 +23,8 @@ data:
         enabled: true
         annotations:
           kubernetes.io/tls-acme: "true"
+          nginx.ingress.kubernetes.io/configuration-snippet: |
+            more_set_headers "Content-Security-Policy: frame-ancestors 'self' files.${domain}";
         hosts:
           - host: "${taiga_domain}"
             paths: