diff --git a/composer.json b/composer.json
index 3360d07..7593387 100644
--- a/composer.json
+++ b/composer.json
@@ -14,12 +14,13 @@
         }
     ],
     "require": {
-        "php": "^7.1.3",
+        "php": "^7.1.3 || ^8.0",
         "ext-json": "*",
         "ext-curl": "*",
         "jaybizzle/crawler-detect": "^1.2",
         "symfony/stopwatch": "^4.0|^5.0",
-        "davaxi/sparkline": "~1.2.0"
+        "davaxi/sparkline": "~1.2.0",
+        "composer/installers": "^1.0"
     },
     "archive": {
         "exclude": [
diff --git a/updates/version.yaml b/updates/version.yaml
index abe8e67..606d1d4 100644
--- a/updates/version.yaml
+++ b/updates/version.yaml
@@ -89,3 +89,5 @@
     - "Improve redirect caching management (revised) -- See: https://github.com/vdlp/oc-redirect-plugin/releases/tag/2.5.8"
 2.5.9:
     - "Fix import in Plugin file"
+2.5.10:
+    - "Add PHP 8.0 version constraint and composer/installers package"