diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7edc77632..e5792506f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,13 +12,14 @@ All notable changes to this project will be documented in this file.
 ### Changed
 - ESP32 compiler option from `target-align` to `no-target-align` (#21407)
 - On universal display remove default backlight power if a PWM channel is used for backlight
-- Berry binary compiled with gcc
+- Berry binary compiled with gcc (#21426)
+- GPIOViewer from v1.5.2 to v1.5.3 (No functional change)
 
 ### Fixed
 - Domoticz re-subscribe on MQTT reconnect. Regression from v13.4.0.3 (#21281)
 - Watchdog restart or freeze if ``displaytext`` is more than 128 characters (#21401)
-- Avoid connection errors when switching to safeboot to upload OTA firmware
-- Berry Leds matrix alternate more and error about 'bri' attribute
+- Avoid connection errors when switching to safeboot to upload OTA firmware (#21428)
+- Berry Leds matrix alternate more and error about 'bri' attribute (#21431)
 
 ### Removed
 - Support of old insecure fingerprint algorithm. Deprecated since v8.4.0 (#21417)
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 1737ceded..f327a0cca 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -126,12 +126,16 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 ### Breaking Changed
 
 ### Changed
+- GPIOViewer from v1.5.2 to v1.5.3
 - On universal display remove default backlight power if a PWM channel is used for backlight
 - ESP32 compiler option from `target-align` to `no-target-align` [#21407](https://github.com/arendst/Tasmota/issues/21407)
+- Berry binary compiled with gcc [#21426](https://github.com/arendst/Tasmota/issues/21426)
 
 ### Fixed
 - Domoticz re-subscribe on MQTT reconnect. Regression from v13.4.0.3 [#21281](https://github.com/arendst/Tasmota/issues/21281)
-- Watchdog restart or freeze if ``displaytext`` is more than 128 characters (#21401)[#21401](https://github.com/arendst/Tasmota/issues/21401)
+- Watchdog restart or freeze if ``displaytext`` is more than 128 characters [#21401](https://github.com/arendst/Tasmota/issues/21401)
+- Avoid connection errors when switching to safeboot to upload OTA firmware [#21428](https://github.com/arendst/Tasmota/issues/21428)
+- Berry Leds matrix alternate more and error about 'bri' attribute [#21431](https://github.com/arendst/Tasmota/issues/21431)
 
 ### Removed
 - Support of old insecure fingerprint algorithm. Deprecated since v8.4.0 [#21417](https://github.com/arendst/Tasmota/issues/21417)
diff --git a/tasmota/tasmota_xdrv_driver/xdrv_121_gpioviewer.ino b/tasmota/tasmota_xdrv_driver/xdrv_121_gpioviewer.ino
index 8203a28ee..4e549ee50 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 20240518
+ * - GVRelease 1.5.3
+ * 
  * Note 20240506
  * - Tasmota v14.0.0
  * - GVRelease 1.5.2
@@ -59,7 +62,7 @@
 
 #define GV_KEEP_ALIVE         1000         // milliseconds - If no activity after this do a heap size event anyway
 
-const char *GVRelease = "1.5.2";
+const char *GVRelease = "1.5.3";
 
 /*********************************************************************************************/