diff --git a/composer.json b/composer.json
index 56774338..41ed1b33 100644
--- a/composer.json
+++ b/composer.json
@@ -15,9 +15,9 @@
 	},
 	"require" : {
 		"php": ">=8.1",
-		"guzzlehttp/guzzle" : "^7.3",
-		"christian-riesen/base32" : "~1.6",
-		"phpseclib/phpseclib" : "^3.0",
+		"guzzlehttp/guzzle" : "^8.3",
+		"christian-riesen/base32" : "~2.0",
+		"phpseclib/phpseclib" : "^4.0",
 		"psr/log": "^1.1 || ^2.0 || ^3.0",
 		"yosymfony/toml" : "~1.0",
       	"ext-bcmath": "*",
@@ -35,9 +35,9 @@
 		}
 	],
 	"require-dev" : {
-		"phpunit/phpunit" : "~10.0",
+		"phpunit/phpunit" : "~13.4",
 		"phpdocumentor/shim": "^3.10",
-		"league/uri": "7.5.1",
+		"league/uri": "7.9.1",
 		"phpstan/phpstan": "^2.2"
 	},
 	"config": {