diff --git a/composer.json b/composer.json
index 6f97417..4c4d82f 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
         "php": ">=7.4",
         "dgame/php-ensurance": "^2.3",
         "monolog/monolog": "^1.27 || ^2.5",
-        "psr/container": "^1.0"
+        "psr/container": "^2.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5"
diff --git a/composer.lock b/composer.lock
index 0a444c7..a007ae1 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "3d37afa882d18544db02219273b241fc",
+    "content-hash": "74c3fcf4903c45815c1a07605b0d34bf",
     "packages": [
         {
             "name": "dgame/php-ensurance",
@@ -228,22 +228,27 @@
         },
         {
             "name": "psr/container",
-            "version": "1.1.2",
+            "version": "2.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/php-fig/container.git",
-                "reference": "513e0666f7216c7459170d56df27dfcefe1689ea"
+                "reference": "c71ecc56dfe541dbd90c5360474fbc405f8d5963"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/container/zipball/513e0666f7216c7459170d56df27dfcefe1689ea",
-                "reference": "513e0666f7216c7459170d56df27dfcefe1689ea",
+                "url": "https://api.github.com/repos/php-fig/container/zipball/c71ecc56dfe541dbd90c5360474fbc405f8d5963",
+                "reference": "c71ecc56dfe541dbd90c5360474fbc405f8d5963",
                 "shasum": ""
             },
             "require": {
                 "php": ">=7.4.0"
             },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
             "autoload": {
                 "psr-4": {
                     "Psr\\Container\\": "src/"
@@ -270,9 +275,9 @@
             ],
             "support": {
                 "issues": "https://github.com/php-fig/container/issues",
-                "source": "https://github.com/php-fig/container/tree/1.1.2"
+                "source": "https://github.com/php-fig/container/tree/2.0.2"
             },
-            "time": "2021-11-05T16:50:12+00:00"
+            "time": "2021-11-05T16:47:00+00:00"
         },
         {
             "name": "psr/log",