diff --git a/README.md b/README.md
index 10b0e7a..dfc5847 100644
--- a/README.md
+++ b/README.md
@@ -34,8 +34,8 @@ For details on how to use this package, check out our [documentation](.docs).
 
 | State       | Version  | Branch   | PHP     |
 |-------------|----------|----------|---------|
-| dev         | `^1.5.0` | `master` | `>=8.0` |
-| stable      | `^1.4.0` | `master` | `>=8.0` |
+| dev         | `^1.6.0` | `master` | `>=8.1` |
+| stable      | `^1.5.0` | `master` | `>=8.1` |
 
 ## Development
 
diff --git a/composer.json b/composer.json
index dea0cfe..6e5a47b 100644
--- a/composer.json
+++ b/composer.json
@@ -56,7 +56,7 @@
   },
   "extra": {
     "branch-alias": {
-      "dev-master": "1.5.x-dev"
+      "dev-master": "1.6.x-dev"
     }
   }
 }