diff --git a/README.md b/README.md
index 64f951a..aa8862d 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,6 @@
 # silverstripe-superlinker-menus
 
-Use master/v4.x (compatible with SS 4 & 5).
-
-This branch is under active development. It **will** change and break, likely including namespaces.
+Requires Silverstripe 5+
 
 ## Summary
 
@@ -10,7 +8,7 @@ A SilverStripe menu management built using the Superlinker foundation
 
 ## Requirements
 
-* [silverstripe-framework](https://github.com/silverstripe/silverstripe-framework) ^4 or ^5
+* [silverstripe-framework](https://github.com/silverstripe/silverstripe-framework) ^5
 
 ## Installation
 
@@ -21,5 +19,4 @@ A SilverStripe menu management built using the Superlinker foundation
 - Validation
 - Finalise naming, consolidate & finalise
 - Proper i18n/_t()/translations
-- Migration script for v4 to v5
 - Documentation/readme
diff --git a/composer.json b/composer.json
index f06aa21..8b610d2 100644
--- a/composer.json
+++ b/composer.json
@@ -13,14 +13,13 @@
         "homepage": "https://fromhold.io"
     }],
     "require": {
-        "silverstripe/cms": "~4.0 || ~5.0",
-        "fromholdio/silverstripe-dependentgroupeddropdownfield": "^1.0.0 || ^2.0.0 || ^3.0.0",
+        "fromholdio/silverstripe-dependentgroupeddropdownfield": "^3.0.0",
         "fromholdio/silverstripe-externalurlfield": "^1.0.3",
-        "fromholdio/silverstripe-globalanchors": "^1.0.1 || ^2.0.0",
+        "fromholdio/silverstripe-globalanchors": "^2.0.0",
         "fromholdio/silverstripe-sortable": "^3.0.0",
-        "fromholdio/silverstripe-superlinker": "3.x-dev",
-        "symbiote/silverstripe-gridfieldextensions": "^3.2.0 || ^4.0.0",
-        "unclecheese/display-logic": "^2.0.0 || ^3.0.0"
+        "fromholdio/silverstripe-superlinker": "^3.0.0",
+        "symbiote/silverstripe-gridfieldextensions": "^4.0.0",
+        "unclecheese/display-logic": "^3.0.0"
     },
     "autoload": {
         "psr-4": {