diff --git a/composer.json b/composer.json
index 59845f8..ace4859 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     "require": {
         "monolog/monolog": "^1.20",
         "datto/json-rpc": "^6.0",
-        "guzzlehttp/guzzle": "~6.0",
+        "guzzlehttp/guzzle": "^7.0",
         "paragonie/random_compat": ">=2"
     },
     "require-dev": {