diff --git a/Changelog b/Changelog
index 6de6eacba..15866a48d 100755
--- a/Changelog
+++ b/Changelog
@@ -1,4 +1,5 @@
 2018-01-28 DariusIII
+	* Chg: Make PHP7.2 lowest supported version, use sodium for bin2hex and hex2bin operations
 	* Chg: Update theleague/flysystem to latest version
 	* Chg: Replace time() with Carbon to prevent time conversion from unixtime
 	* Chg: Replace openssl_random_pseudo_bytes with random_bytes
diff --git a/app/Extensions/helper/helpers.php b/app/Extensions/helper/helpers.php
index fb8a424e8..ba17a18f9 100644
--- a/app/Extensions/helper/helpers.php
+++ b/app/Extensions/helper/helpers.php
@@ -170,7 +170,7 @@ if (! function_exists('makeFieldLinks')) {
             $data[6] = \chr(\ord($data[6]) & 0x0f | 0x40);    // set version to 0100
             $data[8] = \chr(\ord($data[8]) & 0x3f | 0x80);    // set bits 6-7 to 10
 
-            return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
+            return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(sodium_bin2hex($data), 4));
         }
     }
 
diff --git a/bootstrap/constants.php b/bootstrap/constants.php
index 26eec15dc..646c9d285 100755
--- a/bootstrap/constants.php
+++ b/bootstrap/constants.php
@@ -2,7 +2,7 @@
 
 // YOU SHOULD NOT EDIT ANYTHING IN THIS FILE, COPY .../ntmux/config/settings.example.php TO .../nntmux/config/settings.php AND EDIT THAT FILE!
 
-define('NN_MINIMUM_PHP_VERSION', '7.1.0');
+define('NN_MINIMUM_PHP_VERSION', '7.2.0');
 define('NN_MINIMUM_MYSQL_VERSION', '5.6');
 define('NN_MINIMUM_MARIA_VERSION', '10.1');
 
diff --git a/composer.json b/composer.json
index ce47b5f31..7306648ec 100755
--- a/composer.json
+++ b/composer.json
@@ -63,7 +63,7 @@
     }
   ],
   "require": {
-    "php": ">=7.1.0",
+    "php": ">=7.2.0",
     "ext-ctype": "*",
     "ext-curl": "*",
     "ext-exif": "*",
diff --git a/composer.lock b/composer.lock
index f4efa6b54..63ffe4860 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "98bc283ec4e5bea5508234c158434de4",
+    "content-hash": "dce1c35059f570268458c205667e038d",
     "packages": [
         {
             "name": "adrenth/thetvdb2",
@@ -7924,7 +7924,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=7.1.0",
+        "php": ">=7.2.0",
         "ext-ctype": "*",
         "ext-curl": "*",
         "ext-exif": "*",
diff --git a/nntmux/Binaries.php b/nntmux/Binaries.php
index fe5554d2a..0532566cc 100755
--- a/nntmux/Binaries.php
+++ b/nntmux/Binaries.php
@@ -911,7 +911,7 @@ class Binaries
                             Carbon::now()->toDateTimeString(),
                             $xref,
                             Carbon::now()->toDateTimeString(),
-                            bin2hex($random)
+                            sodium_bin2hex($random)
                         )
                     );
 
diff --git a/nntmux/NZBImport.php b/nntmux/NZBImport.php
index 8939a0442..696186390 100755
--- a/nntmux/NZBImport.php
+++ b/nntmux/NZBImport.php
@@ -483,6 +483,6 @@ class NZBImport
      */
     protected function updateNzbGuid(): void
     {
-        Release::query()->where('guid', $this->relGuid)->update(['nzb_guid' => hex2bin($this->nzbGuid)]);
+        Release::query()->where('guid', $this->relGuid)->update(['nzb_guid' => sodium_hex2bin($this->nzbGuid)]);
     }
 }
diff --git a/nntmux/ReleaseExtra.php b/nntmux/ReleaseExtra.php
index 2b691a81d..8ab4d1b67 100755
--- a/nntmux/ReleaseExtra.php
+++ b/nntmux/ReleaseExtra.php
@@ -371,7 +371,7 @@ class ReleaseExtra
             ->orWhere(
                 [
                     'releases_id' => $releaseID,
-                    'uniqueid' => hex2bin($uniqueid),
+                    'uniqueid' => sodium_hex2bin($uniqueid),
                 ]
             )->first(['releases_id']);
         if ($dupecheck === null) {
@@ -379,7 +379,7 @@ class ReleaseExtra
                 ->insert(
                     [
                         'releases_id' => $releaseID,
-                        'uniqueid' => hex2bin($uniqueid),
+                        'uniqueid' => sodium_hex2bin($uniqueid),
                     ]
                 );
         }
diff --git a/public/pages/BasePage.php b/public/pages/BasePage.php
index 23b00509e..773e25845 100644
--- a/public/pages/BasePage.php
+++ b/public/pages/BasePage.php
@@ -104,7 +104,7 @@ class BasePage
             session_set_cookie_params(0, '/', '', $this->https, true);
             session_start();
             if (empty($_SESSION['token'])) {
-                $_SESSION['token'] = bin2hex(random_bytes(32));
+                $_SESSION['token'] = sodium_bin2hex(random_bytes(32));
             }
             $this->token = $_SESSION['token'];
         }