diff --git a/php/jwt/composer.json b/php/jwt/composer.json
index c4818db..611e748 100644
--- a/php/jwt/composer.json
+++ b/php/jwt/composer.json
@@ -1,5 +1,5 @@
 {
     "require": {
-        "firebase/php-jwt": "^5.2"
+        "firebase/php-jwt": "^6.1"
     }
 }
diff --git a/php/jwt/composer.lock b/php/jwt/composer.lock
index c223a89..75569ae 100644
--- a/php/jwt/composer.lock
+++ b/php/jwt/composer.lock
@@ -4,27 +4,30 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "2e81f436193da5b40f951c6849eda663",
+    "content-hash": "6899b11e9f5e353ff3b337c62487149e",
     "packages": [
         {
             "name": "firebase/php-jwt",
-            "version": "v5.2.1",
+            "version": "v6.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/firebase/php-jwt.git",
-                "reference": "f42c9110abe98dd6cfe9053c49bc86acc70b2d23"
+                "reference": "e67638d067a537731e3f9c03e097c7c1b1f31fe8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/firebase/php-jwt/zipball/f42c9110abe98dd6cfe9053c49bc86acc70b2d23",
-                "reference": "f42c9110abe98dd6cfe9053c49bc86acc70b2d23",
+                "url": "https://api.github.com/repos/firebase/php-jwt/zipball/e67638d067a537731e3f9c03e097c7c1b1f31fe8",
+                "reference": "e67638d067a537731e3f9c03e097c7c1b1f31fe8",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.0"
+                "php": "^7.1||^8.0"
             },
             "require-dev": {
-                "phpunit/phpunit": ">=4.8 <=9"
+                "phpunit/phpunit": "^7.5||9.5"
+            },
+            "suggest": {
+                "paragonie/sodium_compat": "Support EdDSA (Ed25519) signatures when libsodium is not present"
             },
             "type": "library",
             "autoload": {
@@ -56,9 +59,9 @@
             ],
             "support": {
                 "issues": "https://github.com/firebase/php-jwt/issues",
-                "source": "https://github.com/firebase/php-jwt/tree/v5.2.1"
+                "source": "https://github.com/firebase/php-jwt/tree/v6.1.1"
             },
-            "time": "2021-02-12T00:02:00+00:00"
+            "time": "2022-04-13T23:27:14+00:00"
         }
     ],
     "packages-dev": [],
@@ -69,5 +72,5 @@
     "prefer-lowest": false,
     "platform": [],
     "platform-dev": [],
-    "plugin-api-version": "2.0.0"
+    "plugin-api-version": "2.3.0"
 }