diff --git a/tag.sh b/tag.sh
new file mode 100755
index 0000000000000000000000000000000000000000..045529d88559eae2d19275f3f2dd394c022a3d8a
--- /dev/null
+++ b/tag.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -e
+
+px=kernelci-bisect-snapshot-
+last_tag=$(git tag -l | grep $px | sort | tail -n 1)
+n=$(echo $last_tag | awk '{print substr($0,26)}')
+n="10#$n"
+let 'n=n+1'
+m=`printf "%03d" $n`
+new_tag="$px""$m"
+echo "tag: $new_tag"
+today=`date +%Y-%m-%d`
+msg="KernelCI bisection snapshot #$m $today"
+echo "msg: $msg"
+git tag -a "$new_tag" -m "$msg"
+
+exit 0