diff --git a/project/frontend/docker/nginx.conf b/project/frontend/docker/nginx.conf
index 7d028a5..ec66e0b 100644
--- a/project/frontend/docker/nginx.conf
+++ b/project/frontend/docker/nginx.conf
@@ -4,6 +4,8 @@ server {
     root   /usr/share/nginx/html;
     index  index.html;
 
+    add_header Content-Security-Policy "default-src '\''self'\''; script-src '\''self'\'' '\''unsafe-eval'\'' '\''unsafe-inline'\''; style-src '\''self'\'' '\''unsafe-inline'\''; img-src '\''self'\'' data:; font-src '\''self'\'';" always;
+
     # Caching configuration for static assets
     location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg)$ {
         expires 30d;
@@ -20,4 +22,4 @@ server {
     location = /50x.html {
         root   /usr/share/nginx/html;
     }
-}
+}
\ No newline at end of file