diff --git a/backend/composer.lock b/backend/composer.lock
index 1ca9bf0..984e817 100644
--- a/backend/composer.lock
+++ b/backend/composer.lock
@@ -8,16 +8,16 @@
     "packages": [
         {
             "name": "firebase/php-jwt",
-            "version": "v6.2.0",
+            "version": "v6.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/firebase/php-jwt.git",
-                "reference": "d28e6df83830252650da4623c78aaaf98fb385f3"
+                "reference": "4dd1e007f22a927ac77da5a3fbb067b42d3bc224"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/firebase/php-jwt/zipball/d28e6df83830252650da4623c78aaaf98fb385f3",
-                "reference": "d28e6df83830252650da4623c78aaaf98fb385f3",
+                "url": "https://api.github.com/repos/firebase/php-jwt/zipball/4dd1e007f22a927ac77da5a3fbb067b42d3bc224",
+                "reference": "4dd1e007f22a927ac77da5a3fbb067b42d3bc224",
                 "shasum": ""
             },
             "require": {
@@ -32,6 +32,7 @@
                 "psr/http-factory": "^1.0"
             },
             "suggest": {
+                "ext-sodium": "Support EdDSA (Ed25519) signatures",
                 "paragonie/sodium_compat": "Support EdDSA (Ed25519) signatures when libsodium is not present"
             },
             "type": "library",
@@ -64,9 +65,9 @@
             ],
             "support": {
                 "issues": "https://github.com/firebase/php-jwt/issues",
-                "source": "https://github.com/firebase/php-jwt/tree/v6.2.0"
+                "source": "https://github.com/firebase/php-jwt/tree/v6.4.0"
             },
-            "time": "2022-05-13T20:54:50+00:00"
+            "time": "2023-02-09T21:01:23+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",