diff --git a/portable/Renesas/RX100/readme.txt b/portable/Renesas/RX100/readme.txt
index 9e89a09f6..4a6775d9f 100644
--- a/portable/Renesas/RX100/readme.txt
+++ b/portable/Renesas/RX100/readme.txt
@@ -68,5 +68,5 @@ It contains two definitions of interrupt priority like the following.
 
 For more information about Renesas RX MCUs, please visit the following URL:
 
-https://www.renesas.com/products/microcontrollers-microprocessors/rx.html
+https://www.renesas.com/us/en/products/microcontrollers-microprocessors/rx-32-bit-performance-efficiency-mcus
 
diff --git a/portable/Renesas/RX200/readme.txt b/portable/Renesas/RX200/readme.txt
index 9e89a09f6..4a6775d9f 100644
--- a/portable/Renesas/RX200/readme.txt
+++ b/portable/Renesas/RX200/readme.txt
@@ -68,5 +68,5 @@ It contains two definitions of interrupt priority like the following.
 
 For more information about Renesas RX MCUs, please visit the following URL:
 
-https://www.renesas.com/products/microcontrollers-microprocessors/rx.html
+https://www.renesas.com/us/en/products/microcontrollers-microprocessors/rx-32-bit-performance-efficiency-mcus
 
diff --git a/portable/Renesas/RX700v3_DPFPU/readme.txt b/portable/Renesas/RX700v3_DPFPU/readme.txt
index 9e89a09f6..4a6775d9f 100644
--- a/portable/Renesas/RX700v3_DPFPU/readme.txt
+++ b/portable/Renesas/RX700v3_DPFPU/readme.txt
@@ -68,5 +68,5 @@ It contains two definitions of interrupt priority like the following.
 
 For more information about Renesas RX MCUs, please visit the following URL:
 
-https://www.renesas.com/products/microcontrollers-microprocessors/rx.html
+https://www.renesas.com/us/en/products/microcontrollers-microprocessors/rx-32-bit-performance-efficiency-mcus