diff --git a/target/linux/ath79/dts/qca955x_senao_router-dual.dtsi b/target/linux/ath79/dts/qca955x_senao_router-dual.dtsi
index 20bea91e8d..e1b76bcbd1 100644
--- a/target/linux/ath79/dts/qca955x_senao_router-dual.dtsi
+++ b/target/linux/ath79/dts/qca955x_senao_router-dual.dtsi
@@ -55,7 +55,7 @@
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
-		spi-max-frequency = <25000000>;
+		spi-max-frequency = <40000000>;
 
 		partitions {
 			compatible = "fixed-partitions";