diff --git a/internal/web_server/middleware.go b/internal/web_server/middleware.go
index 54eba42..6a563a7 100644
--- a/internal/web_server/middleware.go
+++ b/internal/web_server/middleware.go
@@ -17,7 +17,12 @@ func (a *App) authMiddleware(c *fiber.Ctx) error {
 	userAgent := c.Get("User-Agent")
 	c.Locals("ip_address", ip)
 	c.Locals("user_agent", userAgent)
-	authHeader := c.Get("Authorization")
+	// Get Authorization header (case-insensitive)
+	authHeader := strings.TrimSpace(c.Get("Authorization"))
+	if authHeader == "" {
+		// Try lowercase as fallback
+		authHeader = strings.TrimSpace(c.Get("authorization"))
+	}
 	fmt.Println("--------------------------------")
 	fmt.Println("All Headers:")
 	allHeaders := c.GetReqHeaders()