diff --git a/extension.json b/extension.json
index e7db55b8..f8aff24d 100644
--- a/extension.json
+++ b/extension.json
@@ -18,7 +18,7 @@
 	"license-name": "GPL-2.0-or-later",
 	"type": "specialpage",
 	"requires": {
-		"MediaWiki": ">= 1.38.0"
+		"MediaWiki": ">= 1.40.0"
 	},
 	"ExtensionMessagesFiles": {
 		"InterwikiAlias": "Interwiki.alias.php"
diff --git a/includes/Hooks.php b/includes/Hooks.php
index 4f8e2cd2..1515a2e2 100644
--- a/includes/Hooks.php
+++ b/includes/Hooks.php
@@ -4,7 +4,7 @@ namespace MediaWiki\Extension\Interwiki;
 
 use Hooks as MWHooks;
 use MediaWiki\MediaWikiServices;
-use WikiMap;
+use MediaWiki\WikiMap\WikiMap;
 
 class Hooks {
 	/** @var bool */
diff --git a/includes/SpecialInterwiki.php b/includes/SpecialInterwiki.php
index 67c5fac3..7e337a8b 100644
--- a/includes/SpecialInterwiki.php
+++ b/includes/SpecialInterwiki.php
@@ -6,13 +6,13 @@ use Html;
 use HTMLForm;
 use LogPage;
 use MediaWiki\MediaWikiServices;
+use MediaWiki\WikiMap\WikiMap;
 use OutputPage;
 use PermissionsError;
 use ReadOnlyError;
 use SpecialPage;
 use Status;
 use Title;
-use WikiMap;
 
 /**
  * Implements Special:Interwiki