diff --git a/composer.json b/composer.json
index 668a23a..0bfffce 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
     "name": "amsxbg/box-jwt",
     "require": {
         "guzzlehttp/guzzle": "^7.2",
-        "firebase/php-jwt": "^5.2",
+        "firebase/php-jwt": "^6.0",
         "laminas/laminas-config": "^3.4",
         "laminas/laminas-dependency-plugin": "^2.1"
     },
diff --git a/composer.lock b/composer.lock
index d18e8fc..d9dabc6 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,20 +4,20 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "52aecd237631c1850ba6e878fd52710c",
+    "content-hash": "d2108f6da872c81288f9b821822366ef",
     "packages": [
         {
             "name": "firebase/php-jwt",
-            "version": "v5.5.0",
+            "version": "v6.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/firebase/php-jwt.git",
-                "reference": "cf814442ce0e9eebe5317d61b63ccda4b85de67a"
+                "reference": "0541cba75ab108ef901985e68055a92646c73534"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/firebase/php-jwt/zipball/cf814442ce0e9eebe5317d61b63ccda4b85de67a",
-                "reference": "cf814442ce0e9eebe5317d61b63ccda4b85de67a",
+                "url": "https://api.github.com/repos/firebase/php-jwt/zipball/0541cba75ab108ef901985e68055a92646c73534",
+                "reference": "0541cba75ab108ef901985e68055a92646c73534",
                 "shasum": ""
             },
             "require": {
@@ -59,9 +59,9 @@
             ],
             "support": {
                 "issues": "https://github.com/firebase/php-jwt/issues",
-                "source": "https://github.com/firebase/php-jwt/tree/v5.5.0"
+                "source": "https://github.com/firebase/php-jwt/tree/v6.0.0"
             },
-            "time": "2021-11-04T16:21:41+00:00"
+            "time": "2022-01-24T15:18:34+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",
@@ -2988,5 +2988,5 @@
     "prefer-lowest": false,
     "platform": [],
     "platform-dev": [],
-    "plugin-api-version": "2.1.0"
+    "plugin-api-version": "2.3.0"
 }