diff --git a/cron.sh b/cron.sh
new file mode 100755
index 0000000..0a1f86c
--- /dev/null
+++ b/cron.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+
+# Cron fix
+cd "$(dirname $0)"
+
+function getTarballs
+{
+    curl https://mikrotik.com/download/archive -o - 2>/dev/null | \
+        grep -i vdi | \
+        awk -F\" '{print $2}' | \
+        sed 's:.*/::' | \
+        sort -V
+}
+
+function getTag
+{
+    echo "$1" | sed -r 's/chr\-(.*)\.vdi/\1/gi'
+}
+
+function checkTag
+{
+    git rev-list "$1" 2>/dev/null
+}
+
+getTarballs | while read line; do
+    tag=`getTag "$line"`
+    echo ">>> $line >>> $tag"
+
+    if [ "x$(checkTag "$tag")" == "x" ]
+        then
+
+            url="https://download.mikrotik.com/routeros/$tag/chr-$tag.vdi"
+            if curl --output /dev/null --silent --head --fail "$url"; then
+                echo ">>> URL exists: $url"
+                sed -r "s/(ROUTEROS_VERSON=\")(.*)(\")/\1$tag\3/g" -i Dockerfile
+                git commit -m "Release of RouterOS changed to $tag" -a
+                git push
+                git tag "$tag"
+                git push --tags
+            else
+                echo ">>> URL don't exist: $url"
+            fi
+
+        else
+            echo ">>> Tag $tag has been already created"
+    fi
+
+done