diff --git a/composer.lock b/composer.lock
index 85c0b93d..6d885a5d 100644
--- a/composer.lock
+++ b/composer.lock
@@ -889,16 +889,16 @@
         },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "6.4.1",
+            "version": "6.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "0895c932405407fd3a7368b6910c09a24d26db11"
+                "reference": "dbc2bc3a293ed6b1ae08a3651e2bfd213d19b6a5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/0895c932405407fd3a7368b6910c09a24d26db11",
-                "reference": "0895c932405407fd3a7368b6910c09a24d26db11",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/dbc2bc3a293ed6b1ae08a3651e2bfd213d19b6a5",
+                "reference": "dbc2bc3a293ed6b1ae08a3651e2bfd213d19b6a5",
                 "shasum": ""
             },
             "require": {
@@ -913,12 +913,13 @@
                 "psr/log": "^1.1"
             },
             "suggest": {
+                "ext-intl": "Required for Internationalized Domain Name (IDN) support",
                 "psr/log": "Required for using the Log middleware"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "6.3-dev"
+                    "dev-master": "6.5-dev"
                 }
             },
             "autoload": {
@@ -951,7 +952,7 @@
                 "rest",
                 "web service"
             ],
-            "time": "2019-10-23T15:58:00+00:00"
+            "time": "2019-12-07T18:20:45+00:00"
         },
         {
             "name": "guzzlehttp/promises",