diff --git a/composer.lock b/composer.lock
index 60171d5..910fdae 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": "cd8dc379b85283706c21d2c9ba14aa63",
+    "content-hash": "8b353e228e2454e94a13c8bca62137f5",
     "packages": [
         {
             "name": "getkirby/composer-installer",
@@ -263,16 +263,16 @@
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "2.1.0",
+            "version": "2.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "089edd38f5b8abba6cb01567c2a8aaa47cec4c72"
+                "reference": "c94a94f120803a18554c1805ef2e539f8285f9a2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/089edd38f5b8abba6cb01567c2a8aaa47cec4c72",
-                "reference": "089edd38f5b8abba6cb01567c2a8aaa47cec4c72",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/c94a94f120803a18554c1805ef2e539f8285f9a2",
+                "reference": "c94a94f120803a18554c1805ef2e539f8285f9a2",
                 "shasum": ""
             },
             "require": {
@@ -296,7 +296,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.1-dev"
+                    "dev-master": "2.2-dev"
                 }
             },
             "autoload": {
@@ -358,7 +358,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/2.1.0"
+                "source": "https://github.com/guzzle/psr7/tree/2.2.1"
             },
             "funding": [
                 {
@@ -374,7 +374,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-10-06T17:43:30+00:00"
+            "time": "2022-03-20T21:55:58+00:00"
         },
         {
             "name": "psr/http-client",
@@ -3608,5 +3608,5 @@
         "ext-json": "*"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.1.0"
+    "plugin-api-version": "2.2.0"
 }