diff --git a/composer.json b/composer.json
index 668f40b..7c00e9e 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
     "license": "MIT",
     "require": {
         "php": "^7.1.3",
-        "psr/http-client": "^0.3.0",
+        "psr/http-client": "^1.0",
         "psr/http-factory": "^1.0",
         "symfony/config": "^4.1",
         "symfony/contracts": "dev-master",