diff --git a/composer.json b/composer.json
index 80e2b9d..e43cb51 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
         }
     },
     "require": {
-        "attogram/router": "^1.0",
+        "attogram/router": "^4.0",
         "php": "^7.0"
     }
 }
diff --git a/composer.lock b/composer.lock
index 16097a9..6cc7613 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,31 +4,26 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "5fdf765ee1092b348332f2e107a663fb",
+    "content-hash": "3c0006b068178ae14bcb33b81b7df2e5",
     "packages": [
         {
             "name": "attogram/router",
-            "version": "v1.0.0",
+            "version": "v4.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/attogram/router.git",
-                "reference": "ac441158dd8d96a42ddf6fa34d378e501c3568c0"
+                "reference": "615ecba35cd508e72ed656e55c75ca8878ed3773"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/attogram/router/zipball/ac441158dd8d96a42ddf6fa34d378e501c3568c0",
-                "reference": "ac441158dd8d96a42ddf6fa34d378e501c3568c0",
+                "url": "https://api.github.com/repos/attogram/router/zipball/615ecba35cd508e72ed656e55c75ca8878ed3773",
+                "reference": "615ecba35cd508e72ed656e55c75ca8878ed3773",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.4"
+                "php": "^7.0"
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "0.x-dev"
-                }
-            },
             "autoload": {
                 "psr-4": {
                     "Attogram\\Router\\": "src/"
@@ -38,9 +33,21 @@
             "license": [
                 "MIT"
             ],
-            "description": "The Attogram Router is a small PHP router. No dependencies. One simple class. Composer ready.",
+            "authors": [
+                {
+                    "name": "Attogram Project",
+                    "homepage": "https://github.com/attogram",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Attogram Router for PHP 7 - small, flexible, and surprisingly powerful",
             "homepage": "https://github.com/attogram/router",
-            "time": "2018-05-21T06:04:41+00:00"
+            "keywords": [
+                "One class",
+                "php 7",
+                "router"
+            ],
+            "time": "2019-04-06T18:04:42+00:00"
         }
     ],
     "packages-dev": [],
diff --git a/src/BodyMassInfoTable.php b/src/BodyMassInfoTable.php
index 98ddcd6..1f2a397 100644
--- a/src/BodyMassInfoTable.php
+++ b/src/BodyMassInfoTable.php
@@ -14,7 +14,7 @@ class BodyMassInfoTable
     use TemplateTrait;
 
     /** @var string Version*/
-    const VERSION = '2.1.0';
+    const VERSION = '2.1.1.pre.0';
 
     /** @var Router */
     private $router;
@@ -33,6 +33,7 @@ public function route()
         $this->router = new Router();
         $this->router->allow('/', 'home');
         $this->router->allow('/about', 'about');
+        /** @var string|null $match */
         $match = $this->router->match();
         if ($match) {
             $this->routePage($match);
diff --git a/templates/footer.php b/templates/footer.php
index b16ba0a..decbeb7 100644
--- a/templates/footer.php
+++ b/templates/footer.php
@@ -12,9 +12,9 @@
 <footer>
     <br />
     <div class="hdr bw bold">
-    <a href="<?= $this->router->getUriBase(); ?>/">Body Mass Info Table v<?= BodyMassInfoTable::VERSION; ?></a>
+    <a href="<?= $this->router->getHome() ?>">Body Mass Info Table v<?= BodyMassInfoTable::VERSION; ?></a>
         &nbsp;&nbsp;
-    <a href="<?= $this->router->getUriBase(); ?>/about/">About</a>
+    <a href="<?= $this->router->getHome() ?>about/">About</a>
         &nbsp;&nbsp;
     <a href="https://github.com/attogram/body-mass-info-table" target="github">Github</a>
     </div>
diff --git a/templates/header.php b/templates/header.php
index 3aa5bab..21fd736 100644
--- a/templates/header.php
+++ b/templates/header.php
@@ -33,7 +33,7 @@
 </style></head><body>
 <div class="container-fluid">
     <div class="hdr bw bold">
-        <a href="<?= $this->router->getUriBase(); ?>/">Body Mass Info Table</a>
+        <a href="<?= $this->router->getHome() ?>">Body Mass Info Table</a>
         &nbsp;&nbsp;
-        <a href="<?= $this->router->getUriBase(); ?>/about/">About</a>
+        <a href="<?= $this->router->getHome() ?>about/">About</a>
     </div>