diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8a933408e..d0d2b01ff 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -205,7 +205,7 @@ jobs:
           #fi
           if [[ "$BOARD" =~ "esp32:esp32:esp32c6" ]]; then
             arduino --pref "boardsmanager.additional.urls=https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_dev_index.json" --save-prefs ;
-            arduino --install-boards esp32:esp32:3.0.0-rc3 ;
+            arduino --install-boards esp32:esp32:3.0.0 ;
             arduino --board $BOARD --save-prefs ;
             arduino --pref "custom_CPUFreq=esp32c6_80"                 --save-prefs ;
             arduino --pref "custom_DebugLevel=esp32c6_none"            --save-prefs ;
@@ -215,7 +215,7 @@ jobs:
             arduino --pref "custom_PSRAM=esp32c6_enabled"              --save-prefs ;
             arduino --pref "custom_PartitionScheme=esp32c6_huge_app"   --save-prefs ;
             arduino --pref "custom_UploadSpeed=esp32c6_921600"         --save-prefs ;
-            # cd $HOME/.arduino15/packages/esp32/hardware/esp32/3.0.0-rc3 ;
+            # cd $HOME/.arduino15/packages/esp32/hardware/esp32/3.0.0 ;
             # sed -i "s\echo '-DARDUINO_CORE_BUILD'\echo -DARDUINO_CORE_BUILD\g" platform.txt ;
             wget https://github.com/h2zero/NimBLE-Arduino/archive/refs/tags/${NIM_BLE_VERSION}.tar.gz ;
             # wget https://github.com/h2zero/NimBLE-Arduino/archive/refs/heads/${NIM_BLE_VERSION}.tar.gz ;
@@ -234,7 +234,7 @@ jobs:
           #fi
           if [[ "$BOARD" =~ "esp32:esp32:esp32h2" ]]; then
             arduino --pref "boardsmanager.additional.urls=https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_dev_index.json" --save-prefs ;
-            arduino --install-boards esp32:esp32:3.0.0-rc3 ;
+            arduino --install-boards esp32:esp32:3.0.0 ;
             arduino --board $BOARD --save-prefs ;
             arduino --pref "custom_CPUFreq=esp32h2_80"                 --save-prefs ;
             arduino --pref "custom_DebugLevel=esp32h2_none"            --save-prefs ;
@@ -244,7 +244,7 @@ jobs:
             arduino --pref "custom_PSRAM=esp32h2_enabled"              --save-prefs ;
             arduino --pref "custom_PartitionScheme=esp32h2_huge_app"   --save-prefs ;
             arduino --pref "custom_UploadSpeed=esp32h2_921600"         --save-prefs ;
-            # cd $HOME/.arduino15/packages/esp32/hardware/esp32/3.0.0-rc3 ;
+            # cd $HOME/.arduino15/packages/esp32/hardware/esp32/3.0.0 ;
             # sed -i "s\echo '-DARDUINO_CORE_BUILD'\echo -DARDUINO_CORE_BUILD\g" platform.txt ;
             cd $GITHUB_WORKSPACE ;
           fi
diff --git a/software/firmware/source/README.md b/software/firmware/source/README.md
index 647bc5eb8..6906794c9 100644
--- a/software/firmware/source/README.md
+++ b/software/firmware/source/README.md
@@ -48,7 +48,7 @@
     For **ESP32**:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[**1.0.5**](https://github.com/espressif/arduino-esp32/releases/tag/1.0.5)<br>
     For **ESP32-S3**:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[**2.0.9**](https://github.com/espressif/arduino-esp32/releases/tag/2.0.9)<br>
     For **ESP32-C3**:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[**2.0.9**](https://github.com/espressif/arduino-esp32/releases/tag/2.0.9)<br>
-    For **ESP32-C6**:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[**3.0.0-rc3**](https://github.com/espressif/arduino-esp32/releases/tag/3.0.0-rc3)<br>
+    For **ESP32-C6**:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[**3.0.0**](https://github.com/espressif/arduino-esp32/releases/tag/3.0.0)<br>
 2. Become familiar with IDE and **DoIt ESP32 DevKit** by building and uploading of a basic **Blink** sketch:<br>
 ```
 int ledPin = 2; // use pin 14 for TTGO T-Beam rev.05 or higher