diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 315c590..2e93354 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,6 +27,9 @@ jobs:
           - mw: 'REL1_45'
             php: '8.4'
             experimental: false
+          - mw: 'REL1_46'
+            php: '8.4'
+            experimental: true
           - mw: 'master'
             php: '8.5'
             experimental: true
@@ -80,11 +83,14 @@ jobs:
         run: php maintenance/update.php --quick
 
       - name: Run PHPUnit
-        run: php tests/phpunit/phpunit.php -c extensions/SimpleBatchUpload/
-
-      - name: Run PHPUnit with code coverage
-        run: php tests/phpunit/phpunit.php -c extensions/SimpleBatchUpload/ --coverage-clover coverage.xml
-
-      - name: Upload code coverage
-        run: bash <(curl -s https://codecov.io/bash)
-        if: github.ref == 'refs/heads/master'
+        run: |
+          if [ -f tests/phpunit/phpunit.php ]; then
+            php tests/phpunit/phpunit.php -c extensions/SimpleBatchUpload/
+          else
+            # MW 1.46 and later
+            if [ ! -f phpunit.xml.template ]; then
+              wget -q -O phpunit.xml.template "https://raw.githubusercontent.com/wikimedia/mediawiki/${{ matrix.mw }}/phpunit.xml.template"
+            fi
+            composer phpunit:config
+            MEDIAWIKI_HAS_INTEGRATION_TESTS=1 vendor/bin/phpunit -c phpunit.xml extensions/SimpleBatchUpload/tests/phpunit
+          fi