diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 905da19..f632a29 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -15,22 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        include:         
-          - mediawiki_version: '1.35'
-            smw_version: '4.2.0'
-            approved_revs_version: 1.8.2
-            php_version: 7.4
-            database_type: mysql
-            database_image: "mysql:5.7"
-            coverage: true
-            experimental: false
-          - mediawiki_version: '1.35'
-            smw_version: '4.2.0'
-            approved_revs_version: 1.8.2
-            php_version: 7.4
-            database_type: sqlite
-            coverage: false
-            experimental: false
+        include:
           - mediawiki_version: '1.39'
             smw_version: '4.2.0'
             approved_revs_version: 2.1
@@ -56,7 +41,7 @@ jobs:
             coverage: false
             experimental: false
           - mediawiki_version: '1.42'
-            smw_version: '4.2.0'
+            smw_version: dev-master
             approved_revs_version: master
             php_version: 8.2
             database_type: mysql
@@ -75,6 +60,11 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          submodules: recursive
+                   
+      - name: Update submodules
+        run: git submodule update --init --remote
 
       - name: Run tests
         run: make ci
diff --git a/Makefile b/Makefile
index 2267c8c..9f7b8df 100644
--- a/Makefile
+++ b/Makefile
@@ -4,20 +4,20 @@ export
 # setup for docker-compose-ci build directory
 # delete "build" directory to update docker-compose-ci
 
-ifeq (,$(wildcard ./build/Makefile))
+ifeq (,$(wildcard ./build/))
     $(shell git submodule update --init --remote)
 endif
 
 EXTENSION=SemanticExtraSpecialProperties
 
 # docker images
-MW_VERSION?=1.35
-PHP_VERSION?=7.4
-DB_TYPE?=sqlite
-DB_IMAGE?=""
+MW_VERSION?=1.39
+PHP_VERSION?=8.1
+DB_TYPE?=mysql
+DB_IMAGE?="mariadb:10"
 
 # extensions
-SMW_VERSION=4.2.0
+SMW_VERSION?=4.2.0
 
 # composer
 # Enables "composer update" inside of extension
@@ -28,4 +28,4 @@ COMPOSER_EXT?=true
 # NODE_JS?=true
 
 # check for build dir and git submodule init if it does not exist
-include build/Makefile
\ No newline at end of file
+include build/Makefile
diff --git a/extension.json b/extension.json
index da0c2f8..e2a41fb 100644
--- a/extension.json
+++ b/extension.json
@@ -13,7 +13,7 @@
 	"license-name": "GPL-2.0-or-later",
 	"type": "semantic",
 	"requires": {
-		"MediaWiki": ">= 1.35",
+		"MediaWiki": ">= 1.39",
 		"extensions": {
 			"SemanticMediaWiki": "*"
 		}
diff --git a/src/AppFactory.php b/src/AppFactory.php
index 165ef39..fd9d701 100644
--- a/src/AppFactory.php
+++ b/src/AppFactory.php
@@ -168,13 +168,8 @@ public function newWikiPage( Title $title ) {
 			);
 		}
 
-		// Pre 1.36
 		$services = MediaWikiServices::getInstance();
-		if ( !method_exists( $services, 'getWikiPageFactory' ) ) {
-			return WikiPage::factory( $title );
-		} else {
-			return $services->getWikiPageFactory()->newFromTitle( $title );
-		}
+		return $services->getWikiPageFactory()->newFromTitle( $title );
 	}
 
 	/**
diff --git a/src/PropertyAnnotators/UserEditCountPerNsPropertyAnnotator.php b/src/PropertyAnnotators/UserEditCountPerNsPropertyAnnotator.php
index 607e2f1..3127afc 100755
--- a/src/PropertyAnnotators/UserEditCountPerNsPropertyAnnotator.php
+++ b/src/PropertyAnnotators/UserEditCountPerNsPropertyAnnotator.php
@@ -117,25 +117,10 @@ private function getEditsPerNs( $id, $ip ): array {
 		$db = $this->appFactory->getConnection();
 		$queryTables = [ 'revision', 'actor', 'page' ];
 
-		if ( version_compare( MW_VERSION, '1.39', '>=' ) ) {
-			$joinConditions = [
-				'page'	=> [ 'INNER JOIN', [ 'page_id=rev_page' ] ],
-				'actor'	=> [ 'INNER JOIN', [ 'actor_id=rev_actor' ] ]
-			];
-		} else {
-			$queryTables[] = 'revision_actor_temp';
-			$joinConditions = [
-				'page'					=> [ 'INNER JOIN', [
-					'page_id=rev_page'
-				] ],
-				'revision_actor_temp'	=> [ 'INNER JOIN', [
-					'revactor_rev=rev_id'
-				] ],
-				'actor'					=> [ 'INNER JOIN', [
-					'actor_id=revactor_actor'
-				] ]
-			];
-		}
+		$joinConditions = [
+			'page'	=> [ 'INNER JOIN', [ 'page_id=rev_page' ] ],
+			'actor'	=> [ 'INNER JOIN', [ 'actor_id=rev_actor' ] ]
+		];
 
 		$result = $db->select(
 		// FROM.