diff --git a/.drone.yml b/.drone.yml
index 6d6c305..668b354 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -20,7 +20,8 @@ steps:
     commands:
       - sed -i 's|http://deb.debian.org|https://deb.debian.org|g' /etc/apt/sources.list.d/debian.sources && apt-get -o Acquire::Retries=5 update && apt-get install -y curl git
       # arduino-cli のインストール
-      - curl -fsSL https://raw.githubusercontent.com/arduino/arduino-cli/master/install.sh | BINDIR=/usr/local/bin sh
+      - curl -fsSL --ipv4 --connect-timeout 20 --retry 5 --retry-delay 5 --retry-all-errors https://downloads.arduino.cc/arduino-cli/arduino-cli_latest_Linux_64bit.tar.gz | tar -xz -C /usr/local/bin arduino-cli
+      - arduino-cli version
       # ESP32 パッケージインデックスの更新と 2.0.14 のインストール
       - arduino-cli config init --overwrite
       - arduino-cli config set board_manager.additional_urls https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json