diff --git a/composer.json b/composer.json
index 54a4f00d..94f9f5ca 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
         "symfony/event-dispatcher": "^6.4 || ^7.0",
         "symfony/options-resolver": "^6.4 || ^7.0",
         "php-http/client-common": "^1.1.0 || ^2.0",
-        "php-http/discovery": "^1.12",
+        "php-http/discovery": "dev-fix-interop-stickyness as 1.16.0",
         "php-http/async-client-implementation": "^1.1.0 || ^2.0",
         "psr/http-client-implementation": "^1.0 || ^2.0",
         "psr/http-factory": "^1.0"
@@ -41,8 +41,7 @@
     },
     "conflict": {
         "toflar/psr6-symfony-http-cache-store": "<2.2.1",
-        "phpunit/phpunit": "<10",
-        "guzzlehttp/psr7": "<2"
+        "phpunit/phpunit": "<10"
     },
     "suggest": {
         "friendsofsymfony/http-cache-bundle": "For integration with the Symfony framework",