diff --git a/github/check.alacritty.update b/github/check.alacritty.update
index 7fd0a11..92fdd47 100755
--- a/github/check.alacritty.update
+++ b/github/check.alacritty.update
@@ -55,7 +55,7 @@ else
 	alacritty_current_version=$(dpkg -l alacritty | awk '/^ii.*alacritty/ {print $3}' | sed 's/.:\(.*\)-.*/\1/')
 fi
 
-alacritty_new_version=$("${script_wd}"/releasetags "${alacritty_repo_url}" | head -n1 | sed 's/v//g')
+alacritty_new_version=$("${script_wd}"/releasetags "${alacritty_repo_url}" | grep -vE -- '(dev|rc)' | head -n1 | sed 's/v//g')
 
 alacritty_new_version_file="/tmp/.github.alacritty.upgrade"
 alacritty_new_pkg_url="${alacritty_repo_url}/releases/download/v${alacritty_new_version}/alacritty_${alacritty_new_version}_amd64_unstable.deb"