diff --git a/README.md b/README.md
index 5047de5..03d8340 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ Feel free to join us on Discord: https://discord.gg/9nPq85bP4p
 ## Supported devices
 
 <b>Supported ESP32 devices:</b>
-- Nuki Hub is compiled against all ESP32 models with Wi-Fi and Bluetooh Low Energy (BLE) which are supported by ESP-IDF 5.4.1 and Arduino Core 3.2.0.
+- Nuki Hub is compiled against all ESP32 models with Wi-Fi and Bluetooh Low Energy (BLE) which are supported by ESP-IDF 5.5.0 and Arduino Core 3.3.0.
 - Tested stable builds are provided for the ESP32, ESP32-S3, ESP32-C3, ESP32-C5, ESP32-C6, ESP32-P4 (with the ESP32-C6-MINI-1 module for BLE and WiFi) and ESP32-H2.
 - Untested builds are provided for the ESP32-Solo1 (as the developers don't own one).
 
diff --git a/platformio.ini b/platformio.ini
index 2c3913d..2455206 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -13,7 +13,7 @@ default_envs = esp32
 boards_dir = boards
 
 [env]
-platform = https://github.com/pioarduino/platform-espressif32/releases/download/55.03.30-rc1/platform-espressif32.zip
+platform = https://github.com/pioarduino/platform-espressif32/releases/download/55.03.30/platform-espressif32.zip
 platform_packages =
 framework = arduino, espidf
 board_build.embed_txtfiles =
diff --git a/src/Config.h b/src/Config.h
index 34a5923..640f55b 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -5,7 +5,7 @@
 #define NUKI_HUB_VERSION "9.12"
 #define NUKI_HUB_VERSION_INT (uint32_t)912
 #define NUKI_HUB_BUILD "unknownbuildnr"
-#define NUKI_HUB_DATE "2025-07-17"
+#define NUKI_HUB_DATE "2025-07-21"
 
 #define GITHUB_LATEST_RELEASE_URL (char*)"https://github.com/technyon/nuki_hub/releases/latest"
 #define GITHUB_OTA_MANIFEST_URL (char*)"https://raw.githubusercontent.com/technyon/nuki_hub/binary/ota/manifest.json"
diff --git a/updater/platformio.ini b/updater/platformio.ini
index 3955888..1fc528c 100644
--- a/updater/platformio.ini
+++ b/updater/platformio.ini
@@ -13,7 +13,7 @@ default_envs = updater_esp32
 boards_dir = ../boards
 
 [env]
-platform = https://github.com/pioarduino/platform-espressif32/releases/download/55.03.30-rc1/platform-espressif32.zip
+platform = https://github.com/pioarduino/platform-espressif32/releases/download/55.03.30/platform-espressif32.zip
 platform_packages =
 framework = arduino, espidf
 board_build.embed_txtfiles =