diff --git a/composer.json b/composer.json
index 413e23c38f44f996445b14f82bef5ef39bc3db90..4bc2d73aa3a66266b8785271477365a2a004cbff 100644
--- a/composer.json
+++ b/composer.json
@@ -46,7 +46,7 @@
         "ext-mbstring": "*",
         "ext-dom": "*",
         "opis/json-schema": "^1.0",
-        "slim/psr7": "1.4",
+        "slim/psr7": "^1.4",
         "slim/slim": "^4.7.1",
         "php-di/php-di": "^6.3.4",
         "symfony/console": "^5.3.16",
diff --git a/composer.lock b/composer.lock
index 4c51ca97104ee6fcf2894097ac407e84b7096359..6c7afa1d274148a1ee461e5649a61555d1027cb9 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": "c4da295f5930f9bfa0b1c4014a12f5b3",
+    "content-hash": "6b5dae8724e351eedc47e7e5022d5c9d",
     "packages": [
         {
             "name": "algo26-matthias/idna-convert",
@@ -633,6 +633,7 @@
                 "issues": "https://github.com/apereo/phpCAS/issues",
                 "source": "https://github.com/apereo/phpCAS/tree/1.5.0"
             },
+            "abandoned": "apereo/phpcas",
             "time": "2022-05-03T21:12:54+00:00"
         },
         {
@@ -2735,16 +2736,16 @@
         },
         {
             "name": "slim/psr7",
-            "version": "1.4",
+            "version": "1.4.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/slimphp/Slim-Psr7.git",
-                "reference": "0dca983ca32a26f4a91fb11173b7b9eaee29e9d6"
+                "reference": "d3cea6539bdd0910a1e3ea2cc2a96c363c2403c3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/slimphp/Slim-Psr7/zipball/0dca983ca32a26f4a91fb11173b7b9eaee29e9d6",
-                "reference": "0dca983ca32a26f4a91fb11173b7b9eaee29e9d6",
+                "url": "https://api.github.com/repos/slimphp/Slim-Psr7/zipball/d3cea6539bdd0910a1e3ea2cc2a96c363c2403c3",
+                "reference": "d3cea6539bdd0910a1e3ea2cc2a96c363c2403c3",
                 "shasum": ""
             },
             "require": {
@@ -2810,9 +2811,9 @@
             ],
             "support": {
                 "issues": "https://github.com/slimphp/Slim-Psr7/issues",
-                "source": "https://github.com/slimphp/Slim-Psr7/tree/1.4"
+                "source": "https://github.com/slimphp/Slim-Psr7/tree/1.4.1"
             },
-            "time": "2021-05-08T18:22:56+00:00"
+            "time": "2023-05-10T04:00:20+00:00"
         },
         {
             "name": "slim/slim",