diff --git a/web/nginx.conf b/web/nginx.conf
index 0ca6ce4..4fb2983 100644
--- a/web/nginx.conf
+++ b/web/nginx.conf
@@ -41,6 +41,14 @@ server {
         try_files $uri =404;
     }
 
+    # Godot exports reuse these filenames across releases. Revalidate them so a
+    # newly deployed index never boots an older cached project package.
+    location ~ ^/(index\.(js|pck|wasm)|medmind-loader-icon\.png|medmind-inter\.ttf)$ {
+        add_header Cache-Control "no-cache, no-store, must-revalidate" always;
+        add_header X-Content-Type-Options "nosniff" always;
+        try_files $uri =404;
+    }
+
     location / {
         add_header Cache-Control "public, max-age=3600" always;
         add_header X-Content-Type-Options "nosniff" always;