diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index eb564bf..7bd875b 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/devcontainers/typescript-node:18
+FROM mcr.microsoft.com/devcontainers/typescript-node:20
 
 RUN ln -s /usr/bin/gpg /usr/local/bin/gpg
 RUN apt update && apt install ldap-utils -y
diff --git a/package-lock.json b/package-lock.json
index 8917f01..8e06a28 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "ldap-authentication",
-  "version": "3.0.3",
+  "version": "3.0.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "ldap-authentication",
-      "version": "3.0.3",
+      "version": "3.0.4",
       "license": "BSD-2-Clause",
       "dependencies": {
         "ldapjs": "^3.0.7"
diff --git a/package.json b/package.json
index 3108b8b..1d3b164 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ldap-authentication",
-  "version": "3.0.4",
+  "version": "3.1.0",
   "description": "A simple async nodejs library for LDAP user authentication",
   "main": "index.js",
   "types": "./index.d.ts",