diff --git a/script.sh b/script.sh
index 8ebb06e..fa02b75 100755
--- a/script.sh
+++ b/script.sh
@@ -45,7 +45,7 @@ echo '::group::Preparing'
 echo '::endgroup::'
 
 echo "::group::🐶 Installing reviewdog (${REVIEWDOG_VERSION}) ... https://github.com/reviewdog/reviewdog"
-  curl -sfL https://raw.githubusercontent.com/reviewdog/reviewdog/master/install.sh | sh -s -- -b "${REVIEWDOG_PATH}" "${REVIEWDOG_VERSION}" 2>&1
+  curl -sfL https://raw.githubusercontent.com/reviewdog/reviewdog/fd59714416d6d9a1c0692d872e38e7f8448df4fc/install.sh | sh -s -- -b "${REVIEWDOG_PATH}" "${REVIEWDOG_VERSION}" 2>&1
 echo '::endgroup::'
 
 echo "::group:: Installing tflint (${tflint_version}) ... https://github.com/terraform-linters/tflint"