diff --git a/composer.json b/composer.json
index 832de0b5..12640f72 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
         "composer-plugin-api": "^2.0",
         "amphp/amp": "^3.0",
         "amphp/parallel": "^2.1",
-        "doctrine/collections": "^1.6.8 || ^2.0",
+        "doctrine/collections": "^1.6.8 || ^2.0 || ^3.0",
         "gitonomy/gitlib": "^1.6",
         "laravel/serializable-closure": "^2.0",
         "monolog/monolog": "^2.0 || ^3.0",
diff --git a/composer.lock b/composer.lock
index 226b5ace..8e98b33a 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": "c0e0e9e2b8bec94254bd30afe611cfb9",
+    "content-hash": "31684f1eec777f8ff990da5f793ba8a3",
     "packages": [
         {
             "name": "amphp/amp",