diff --git a/update-github-release.sh b/update-github-release.sh
index 6f3fbad..e4844e6 100755
--- a/update-github-release.sh
+++ b/update-github-release.sh
@@ -24,10 +24,10 @@ main(){
     fi
     echo "Update for $REPO"
     api_url="https://api.github.com/repos/$REPO/releases/latest"
-    dl_url=$(curl -sSf $api_url | grep $build_arch | grep browser_download_url | cut -d '"' -f 4)
+    dl_url=$(curl -sSf $api_url | grep -i $build_arch | grep browser_download_url | cut -d '"' -f 4)
 
     curr_ver=$($PROG_PATH/$PROG_NAME -v)
-    if (echo $dl_url | grep $curr_ver) >/dev/null 2>&1; then
+    if (echo $dl_url | grep -i $curr_ver) >/dev/null 2>&1; then
         echo "Already latest version!"
     else
         tmp_dir="/tmp/$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)"