diff --git a/composer.lock b/composer.lock
index 87f4100299..ad64834b27 100644
--- a/composer.lock
+++ b/composer.lock
@@ -340,20 +340,20 @@
         },
         {
             "name": "celtic/lti",
-            "version": "v4.4.1",
+            "version": "v4.8.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/celtic-project/LTI-PHP.git",
-                "reference": "b2c675187597c3bf2b6bdc82c5f549ea1400ca22"
+                "reference": "d45065552613c23045413af4596116424fa93bc0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/celtic-project/LTI-PHP/zipball/b2c675187597c3bf2b6bdc82c5f549ea1400ca22",
-                "reference": "b2c675187597c3bf2b6bdc82c5f549ea1400ca22",
+                "url": "https://api.github.com/repos/celtic-project/LTI-PHP/zipball/d45065552613c23045413af4596116424fa93bc0",
+                "reference": "d45065552613c23045413af4596116424fa93bc0",
                 "shasum": ""
             },
             "require": {
-                "firebase/php-jwt": "^5.0.0",
+                "firebase/php-jwt": "^5.5.0",
                 "php": ">=5.6.0"
             },
             "type": "library",
@@ -377,7 +377,11 @@
             "keywords": [
                 "LTI"
             ],
-            "time": "2021-04-26T18:12:27+00:00"
+            "support": {
+                "issues": "https://github.com/celtic-project/LTI-PHP/issues",
+                "source": "https://github.com/celtic-project/LTI-PHP/tree/v4.8.0"
+            },
+            "time": "2022-06-27T15:42:42+00:00"
         },
         {
             "name": "composer/installers",
@@ -3075,16 +3079,16 @@
         },
         {
             "name": "firebase/php-jwt",
-            "version": "v5.2.1",
+            "version": "v5.5.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/firebase/php-jwt.git",
-                "reference": "f42c9110abe98dd6cfe9053c49bc86acc70b2d23"
+                "reference": "83b609028194aa042ea33b5af2d41a7427de80e6"
             },
             "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/83b609028194aa042ea33b5af2d41a7427de80e6",
+                "reference": "83b609028194aa042ea33b5af2d41a7427de80e6",
                 "shasum": ""
             },
             "require": {
@@ -3093,6 +3097,9 @@
             "require-dev": {
                 "phpunit/phpunit": ">=4.8 <=9"
             },
+            "suggest": {
+                "paragonie/sodium_compat": "Support EdDSA (Ed25519) signatures when libsodium is not present"
+            },
             "type": "library",
             "autoload": {
                 "psr-4": {
@@ -3121,7 +3128,11 @@
                 "jwt",
                 "php"
             ],
-            "time": "2021-02-12T00:02:00+00:00"
+            "support": {
+                "issues": "https://github.com/firebase/php-jwt/issues",
+                "source": "https://github.com/firebase/php-jwt/tree/v5.5.1"
+            },
+            "time": "2021-11-08T20:18:51+00:00"
         },
         {
             "name": "gettext/gettext",