diff --git a/package_esp32_dev_index.json b/package_esp32_dev_index.json
index 07ec9e39..1f26763c 100644
--- a/package_esp32_dev_index.json
+++ b/package_esp32_dev_index.json
@@ -16,8 +16,8 @@
           "category": "ESP32",
           "url": "https://github.com/espressif/arduino-esp32/releases/download/1.0.5-rc1/esp32-1.0.5-rc1.zip",
           "archiveFileName": "esp32-1.0.5-rc1.zip",
-          "checksum": "SHA-256:33e433008189e660cc706d2b591abd3b929ee5aa0dc711d828542dd5ba85da36",
-          "size": "47470209",
+          "checksum": "SHA-256:e1c2c85943a9d1b6851488f07474c3016f516a9294d5b7c5b747e443fc52b91f",
+          "size": "47470210",
           "help": {
             "online": ""
           },