diff --git a/composer.lock b/composer.lock
index 8739876..6be67ae 100644
--- a/composer.lock
+++ b/composer.lock
@@ -3282,16 +3282,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "8.5.0",
+            "version": "8.5.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "3ee1c1fd6fc264480c25b6fb8285edefe1702dab"
+                "reference": "7870c78da3c5e4883eaef36ae47853ebb3cb86f2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/3ee1c1fd6fc264480c25b6fb8285edefe1702dab",
-                "reference": "3ee1c1fd6fc264480c25b6fb8285edefe1702dab",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/7870c78da3c5e4883eaef36ae47853ebb3cb86f2",
+                "reference": "7870c78da3c5e4883eaef36ae47853ebb3cb86f2",
                 "shasum": ""
             },
             "require": {
@@ -3361,7 +3361,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2019-12-06T05:41:38+00:00"
+            "time": "2019-12-25T14:49:39+00:00"
         },
         {
             "name": "psr/event-dispatcher",