diff --git a/protoc-frontend.exe b/protoc-frontend.exe
index 7777155..3e03d97 100755
--- a/protoc-frontend.exe
+++ b/protoc-frontend.exe
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:583c1d919b91c04d47990dba6a32091cdd5bab4db456e494d86ca6dd10c2a684
+oid sha256:9c0151b3ddb98c2e3a9687100a3761b0ccf32b7aee4ef0dffc883b96e1b64a6c
 size 10308096
diff --git a/server/main.go b/server/main.go
index 4b71467..1544d84 100644
--- a/server/main.go
+++ b/server/main.go
@@ -55,6 +55,8 @@ func main() {
 
 	// SPA: serve static files, fallback to index.html
 	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Cache-Control", "no-store")
+
 		// Try to serve the file directly
 		path := strings.TrimPrefix(r.URL.Path, "/")
 		if path == "" {