diff --git a/composer.json b/composer.json
index 8a5ed77b..0aff4a7f 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     "php": "^7.2"
   },
   "require-dev": {
-    "ergebnis/composer-normalize": "^2.1.0",
+    "ergebnis/composer-normalize": "^2.1.1",
     "ergebnis/php-cs-fixer-config": "~1.1.2",
     "ergebnis/phpstan-rules": "~0.14.2",
     "ergebnis/test-util": "~0.9.1",
diff --git a/composer.lock b/composer.lock
index cdd112f2..6b44b32c 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": "3b4524b6fad4327434dd715e0a94b0df",
+    "content-hash": "e4bf4313f10c227e68c0d43104e2e6a5",
     "packages": [],
     "packages-dev": [
         {
@@ -410,16 +410,16 @@
         },
         {
             "name": "ergebnis/composer-normalize",
-            "version": "2.1.0",
+            "version": "2.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ergebnis/composer-normalize.git",
-                "reference": "b89248fed5de4c070ef62fe9908b5efdf1e2d21d"
+                "reference": "3d8b5818b5bfeda21d8a8077d0eda4112734695c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ergebnis/composer-normalize/zipball/b89248fed5de4c070ef62fe9908b5efdf1e2d21d",
-                "reference": "b89248fed5de4c070ef62fe9908b5efdf1e2d21d",
+                "url": "https://api.github.com/repos/ergebnis/composer-normalize/zipball/3d8b5818b5bfeda21d8a8077d0eda4112734695c",
+                "reference": "3d8b5818b5bfeda21d8a8077d0eda4112734695c",
                 "shasum": ""
             },
             "require": {
@@ -471,7 +471,7 @@
                 "normalizer",
                 "plugin"
             ],
-            "time": "2019-12-25T19:48:13+00:00"
+            "time": "2019-12-26T22:01:46+00:00"
         },
         {
             "name": "ergebnis/json-normalizer",