diff --git a/zmsticketprinter/composer.json b/zmsticketprinter/composer.json
index d936ed1cc..443f932e7 100644
--- a/zmsticketprinter/composer.json
+++ b/zmsticketprinter/composer.json
@@ -12,6 +12,15 @@
             "email": "philipp.gaebler@berlinonline.de"
         }
     ],
+    "repositories": [
+        {
+            "type": "path",
+            "url": "../*",
+            "options": {
+                "symlink": true
+            }
+        }
+    ],
     "scripts": {
         "command": "bin/configure"
     },
@@ -47,18 +56,5 @@
             "BO\\Zmsticketprinter\\": "src/Zmsticketprinter/",
             "BO\\Zmsticketprinter\\Tests\\": "tests/Zmsticketprinter/"
         }
-    },
-    "repositories": [
-        {
-            "type": "vcs",
-            "url": "https://gitlab+deploy-token-203:RMAsMMns5SocfWcUnktt@gitlab.berlinonline.net/land-intranet/slim-psr7.git"
-        },
-        {
-            "type": "path",
-            "url": "../*",
-            "options": {
-                "symlink": true
-            }
-        }
-    ]
+    }
 }
diff --git a/zmsticketprinter/composer.lock b/zmsticketprinter/composer.lock
index e750e625a..0980a3f5d 100644
--- a/zmsticketprinter/composer.lock
+++ b/zmsticketprinter/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": "a897f8f462f83883388e07ae7846f59d",
+    "content-hash": "754bd3994c47c0f27843529eb34216f5",
     "packages": [
         {
             "name": "aronduby/dump",
@@ -126,7 +126,7 @@
             "dist": {
                 "type": "path",
                 "url": "../mellon",
-                "reference": "18f7325400db2d5efad5237dd0a3a91b6b2f8bbe"
+                "reference": "c60d33715367b2dab76f672f28a3e21b60f8e7cf"
             },
             "require": {
                 "ext-json": ">=0",
@@ -232,7 +232,7 @@
             "dist": {
                 "type": "path",
                 "url": "../zmsentities",
-                "reference": "18f7325400db2d5efad5237dd0a3a91b6b2f8bbe"
+                "reference": "c60d33715367b2dab76f672f28a3e21b60f8e7cf"
             },
             "require": {
                 "eappointment/mellon": "@dev",
@@ -290,7 +290,7 @@
             "dist": {
                 "type": "path",
                 "url": "../zmsslim",
-                "reference": "18f7325400db2d5efad5237dd0a3a91b6b2f8bbe"
+                "reference": "c60d33715367b2dab76f672f28a3e21b60f8e7cf"
             },
             "require": {
                 "eappointment/mellon": "@dev",
@@ -2847,11 +2847,17 @@
         },
         {
             "name": "slim/psr7",
-            "version": "1.7",
+            "version": "1.5.1",
             "source": {
                 "type": "git",
-                "url": "https://gitlab+deploy-token-203:RMAsMMns5SocfWcUnktt@gitlab.berlinonline.net/land-intranet/slim-psr7.git",
-                "reference": "41bc35747d0e43c38961b232d171830a1817b20d"
+                "url": "https://github.com/slimphp/Slim-Psr7.git",
+                "reference": "2867758fcd4c92c6c767df7c3f5f28ab2df40c1b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/slimphp/Slim-Psr7/zipball/2867758fcd4c92c6c767df7c3f5f28ab2df40c1b",
+                "reference": "2867758fcd4c92c6c767df7c3f5f28ab2df40c1b",
+                "shasum": ""
             },
             "require": {
                 "fig/http-message-util": "^1.1.5",
@@ -2869,7 +2875,7 @@
                 "adriansuter/php-autoload-override": "^1.2",
                 "ext-json": "*",
                 "http-interop/http-factory-tests": "^0.9.0",
-                "php-http/psr7-integration-tests": "1.1",
+                "php-http/psr7-integration-tests": "dev-master",
                 "phpspec/prophecy": "^1.14",
                 "phpspec/prophecy-phpunit": "^2.0",
                 "phpstan/phpstan": "^0.12.99",
@@ -2882,27 +2888,7 @@
                     "Slim\\Psr7\\": "src"
                 }
             },
-            "autoload-dev": {
-                "psr-4": {
-                    "Slim\\Tests\\Psr7\\": "tests"
-                }
-            },
-            "scripts": {
-                "test": [
-                    "@phpunit",
-                    "@phpcs",
-                    "@phpstan"
-                ],
-                "phpunit": [
-                    "phpunit"
-                ],
-                "phpcs": [
-                    "phpcs"
-                ],
-                "phpstan": [
-                    "phpstan --memory-limit=-1"
-                ]
-            },
+            "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "MIT"
             ],
@@ -2935,7 +2921,11 @@
                 "psr-7",
                 "psr7"
             ],
-            "time": "2023-04-20T09:17:02+00:00"
+            "support": {
+                "issues": "https://github.com/slimphp/Slim-Psr7/issues",
+                "source": "https://github.com/slimphp/Slim-Psr7/tree/1.5.1"
+            },
+            "time": "2023-05-10T04:00:28+00:00"
         },
         {
             "name": "slim/slim",