diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e77c9bb4..f13133d6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: [ '8.0', '8.1', '8.2' ]
+        php: ['8.0', '8.1', '8.2', '8.3']
         
     name: PHP ${{ matrix.php }} Test
 
diff --git a/composer.json b/composer.json
index c84b270c..9a8d73b9 100644
--- a/composer.json
+++ b/composer.json
@@ -12,10 +12,10 @@
     }
   ],
   "require": {
-    "php": "~8.0 || ~8.1 || ~8.2", 
+    "php": "~8.0 || ~8.1 || ~8.2 || ~8.3", 
     "ext-mbstring": "*",
     "laminas/laminas-diactoros": "^3.0",
-    "lcobucci/jwt": "^3.4|^4.0",
+    "lcobucci/jwt": "^3.4|^4.0|^5.0",
     "psr/container": "^1.0 | ^2.0",
     "psr/http-client-implementation": "^1.0",
     "vonage/nexmo-bridge": "^0.1.0",