diff --git a/composer.json b/composer.json
index e19c441e2..40a70a4aa 100644
--- a/composer.json
+++ b/composer.json
@@ -57,7 +57,7 @@
         "symfony/yaml": "4.4.10",
         "symfony/finder": "3.4.8",
         "symfony/stopwatch" : "4.4.10",
-        "myclabs/deep-copy": "1.9.5",
+        "myclabs/deep-copy": "1.10.0",
         "phpunit/phpunit" : "^7",
         "phpunit/phpunit-selenium": "^7",
         "roave/security-advisories": "dev-master"
diff --git a/composer.lock b/composer.lock
index 2ef16d669..b8a5049a0 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "a1dfceb1dd99b09d505ef80b45360559",
+    "content-hash": "fe09083403e439e1f66eecbec9f0c485",
     "packages": [
         {
             "name": "christian-riesen/base32",
@@ -916,20 +916,20 @@
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.9.5",
+            "version": "1.10.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "b2c28789e80a97badd14145fda39b545d83ca3ef"
+                "reference": "5796d127b0c4ff505b77455148ea9d5269d99758"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/b2c28789e80a97badd14145fda39b545d83ca3ef",
-                "reference": "b2c28789e80a97badd14145fda39b545d83ca3ef",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/5796d127b0c4ff505b77455148ea9d5269d99758",
+                "reference": "5796d127b0c4ff505b77455148ea9d5269d99758",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1"
+                "php": "^7.1 || ^8.0"
             },
             "replace": {
                 "myclabs/deep-copy": "self.version"
@@ -960,7 +960,13 @@
                 "object",
                 "object graph"
             ],
-            "time": "2020-01-17T21:11:47+00:00"
+            "funding": [
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/myclabs/deep-copy",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-06-28T07:02:41+00:00"
         },
         {
             "name": "phar-io/manifest",