diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 2252962..a1a7b78 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -179,7 +179,7 @@ jobs:
         with:
           # Should be the highest supported version, so we can use the newest tools
           php-version: '8.5'
-          tools: composer, composer-require-checker, composer-unused, phpcs
+          tools: composer, composer-dependency-analyser
           extensions: ctype, date, dom, filter, hash, mbstring, openssl, pcre, soap, spl, xml
           coverage: none
 
@@ -204,11 +204,8 @@ jobs:
       - name: Install Composer dependencies
         run: composer install --no-progress --prefer-dist --optimize-autoloader
 
-      - name: Check code for hard dependencies missing in composer.json
-        run: composer-require-checker check --config-file=tools/composer-require-checker.json composer.json
-
-      - name: Check code for unused dependencies in composer.json
-        run: composer-unused
+      - name: Check code for missing or unused dependencies
+        run: composer-dependency-analyser --verbose --config=tools/composer-dependency-analyser.php
 
       - name: PHP Code Sniffer
         run: vendor/bin/phpcs
diff --git a/composer.json b/composer.json
index 4a4aac3..8e9a60b 100644
--- a/composer.json
+++ b/composer.json
@@ -29,8 +29,8 @@
         "ext-zlib": "*",
 
         "guzzlehttp/guzzle": "^7.8 || ^8.0",
+        "guzzlehttp/promises": "^2.5 || ^3.0",
         "guzzlehttp/psr7": "^2.7 || ^3.0",
-        "psr/http-client": "^1",
         "psr/http-message": "^2",
         "psr/log": "^3",
         "psr/simple-cache": "^3",
diff --git a/tools/composer-dependency-analyser.php b/tools/composer-dependency-analyser.php
new file mode 100644
index 0000000..67d4216
--- /dev/null
+++ b/tools/composer-dependency-analyser.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+use ShipMonk\ComposerDependencyAnalyser\Config\Configuration;
+use ShipMonk\ComposerDependencyAnalyser\Config\ErrorType;
+
+return (new Configuration())
+  // Ignore suggested optional dependency
+  ->ignoreErrorsOnExtension('ext-curl', [ErrorType::SHADOW_DEPENDENCY]);
+
diff --git a/tools/composer-require-checker.json b/tools/composer-require-checker.json
deleted file mode 100644
index 97b1397..0000000
--- a/tools/composer-require-checker.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-    "symbol-whitelist": [
-        "CURLOPT_CONNECT_TO",
-        "CURLOPT_FOLLOWLOCATION",
-        "CURLOPT_PORT",
-        "CURLOPT_PRE_PROXY",
-        "CURLOPT_PROXY",
-        "CURLOPT_RESOLVE",
-        "CURLOPT_UNIX_SOCKET_PATH",
-        "CURLOPT_URL",
-        "curl_version"
-    ]
-}