diff --git a/CHANGELOG.md b/CHANGELOG.md
index b8353dfe4..e527fcfac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ All notable changes to this project will be documented in this file.
 ### Breaking Changed
 
 ### Changed
+- GPIOViewer from v1.5.3 to v1.5.4 (No functional change)
 - TCP bridge increased baudrate selection (#21528)
 - Berry coc parser keeps order of variables (#21542)
 
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 1c475e2c5..030fa8183 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -131,7 +131,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 
 ### Changed
 - ESP32 Core3 platform update from 2024.05.11 to 2024.05.13 [#21524](https://github.com/arendst/Tasmota/issues/21524)
-- GPIOViewer from v1.5.2 to v1.5.3
+- GPIOViewer from v1.5.2 to v1.5.4
 - On universal display remove default backlight power if a PWM channel is used for backlight
 - TCP bridge increased baudrate selection [#21528](https://github.com/arendst/Tasmota/issues/21528)
 - Support W5500 SPI ethernet using four SPI GPIOs only without IRQ and RESET
diff --git a/tasmota/tasmota_xdrv_driver/xdrv_121_gpioviewer.ino b/tasmota/tasmota_xdrv_driver/xdrv_121_gpioviewer.ino
index 4e549ee50..0cce3bbf3 100644
--- a/tasmota/tasmota_xdrv_driver/xdrv_121_gpioviewer.ino
+++ b/tasmota/tasmota_xdrv_driver/xdrv_121_gpioviewer.ino
@@ -30,6 +30,9 @@
  *   GvUrl 1                - Select default url (GV_BASE_URL)
  *   GvUrl https://thelastoutpostworkshop.github.io/microcontroller_devkit/gpio_viewer_1_5/
  * 
+ * Note 20240602
+ * - GVRelease 1.5.4
+ * 
  * Note 20240518
  * - GVRelease 1.5.3
  * 
@@ -62,7 +65,7 @@
 
 #define GV_KEEP_ALIVE         1000         // milliseconds - If no activity after this do a heap size event anyway
 
-const char *GVRelease = "1.5.3";
+const char *GVRelease = "1.5.4";
 
 /*********************************************************************************************/