diff --git a/composer.json b/composer.json
index 22c201b..f4983ec 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     ],
     "require": {
         "php": "^7.4 || ^8.0",
-        "chimera/foundation": "^0.4@dev",
+        "chimera/foundation": "^0.4",
         "league/tactician": "^1.1",
         "psr/container": "^1.0"
     },
diff --git a/composer.lock b/composer.lock
index f1e9025..4233f1b 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": "19e4d0ff8c9f4980e619e2029a0a5410",
+    "content-hash": "b847418d9cde7661f5a14758441a94f7",
     "packages": [
         {
             "name": "brick/math",
@@ -64,16 +64,16 @@
         },
         {
             "name": "chimera/foundation",
-            "version": "0.4.x-dev",
+            "version": "0.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/chimeraphp/foundation.git",
-                "reference": "987f9719dda281b53126b8abc8c5311d7c280589"
+                "reference": "0b6c5f5324981b7c9beb159748f098f78f14d8b6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/chimeraphp/foundation/zipball/987f9719dda281b53126b8abc8c5311d7c280589",
-                "reference": "987f9719dda281b53126b8abc8c5311d7c280589",
+                "url": "https://api.github.com/repos/chimeraphp/foundation/zipball/0b6c5f5324981b7c9beb159748f098f78f14d8b6",
+                "reference": "0b6c5f5324981b7c9beb159748f098f78f14d8b6",
                 "shasum": ""
             },
             "require": {
@@ -90,7 +90,6 @@
                 "phpstan/phpstan-strict-rules": "^0.12",
                 "phpunit/phpunit": "^9.5"
             },
-            "default-branch": true,
             "type": "library",
             "autoload": {
                 "psr-4": {
@@ -110,7 +109,7 @@
             "description": "Base structure to connect PSR-7 objects to command and query buses",
             "support": {
                 "issues": "https://github.com/chimeraphp/foundation/issues",
-                "source": "https://github.com/chimeraphp/foundation/tree/0.4.x"
+                "source": "https://github.com/chimeraphp/foundation/tree/0.4.0"
             },
             "funding": [
                 {
@@ -122,7 +121,7 @@
                     "type": "patreon"
                 }
             ],
-            "time": "2021-02-07T13:24:52+00:00"
+            "time": "2021-02-23T20:58:10+00:00"
         },
         {
             "name": "league/tactician",
@@ -1430,16 +1429,16 @@
         },
         {
             "name": "phar-io/version",
-            "version": "3.0.4",
+            "version": "3.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phar-io/version.git",
-                "reference": "e4782611070e50613683d2b9a57730e9a3ba5451"
+                "reference": "bae7c545bef187884426f042434e561ab1ddb182"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phar-io/version/zipball/e4782611070e50613683d2b9a57730e9a3ba5451",
-                "reference": "e4782611070e50613683d2b9a57730e9a3ba5451",
+                "url": "https://api.github.com/repos/phar-io/version/zipball/bae7c545bef187884426f042434e561ab1ddb182",
+                "reference": "bae7c545bef187884426f042434e561ab1ddb182",
                 "shasum": ""
             },
             "require": {
@@ -1475,9 +1474,9 @@
             "description": "Library for handling version information and constraints",
             "support": {
                 "issues": "https://github.com/phar-io/version/issues",
-                "source": "https://github.com/phar-io/version/tree/3.0.4"
+                "source": "https://github.com/phar-io/version/tree/3.1.0"
             },
-            "time": "2020-12-13T23:18:30+00:00"
+            "time": "2021-02-23T14:00:09+00:00"
         },
         {
             "name": "phpdocumentor/reflection-common",
@@ -4903,9 +4902,7 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": {
-        "chimera/foundation": 20
-    },
+    "stability-flags": [],
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {