diff --git a/Dockerfile b/Dockerfile
index 9d84c77..438cede 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # docker run -d -p 8000:8000 alseambusher/crontab-ui
-FROM alpine:3.10
+FROM alpine:3.13.5
 
 ENV   CRON_PATH /etc/crontabs
 
diff --git a/Makefile b/Makefile
index 9280d1e..413851c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-VER=0.3.13
+VER=0.3.15
 
 release:
 	sed -i '' "s/version\": \".*/version\": \"$(VER)\",/" package.json
diff --git a/package.json b/package.json
index e851ddd..eceea42 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "crontab-ui",
-  "version": "0.3.14",
+  "version": "0.3.15",
   "description": "Easy and safe way to manage your crontab file",
   "main": "index.js",
   "scripts": {