diff --git a/.github/workflows/mediawiki-tests.yml b/.github/workflows/mediawiki-tests.yml
index fb3a6df..06db6f0 100644
--- a/.github/workflows/mediawiki-tests.yml
+++ b/.github/workflows/mediawiki-tests.yml
@@ -12,21 +12,21 @@ jobs:
     strategy:
       matrix:
         include:
-          # Latest MediaWiki LTS - PHP 8.2 
+          # Latest MediaWiki LTS - PHP 8.1
           - mw: 'REL1_39'
-            php: 8.2
-            php-docker: 82
+            php: 8.1
+            php-docker: 81
             composer-test: true
             experimental: false
 
-          # Latest MediaWiki stable - PHP 8.2 
+          # Latest MediaWiki stable - PHP 8.2
           - mw: 'REL1_40'
             php: 8.2
             php-docker: 82
             composer-test: false
             experimental: true
 
-          # Latest MediaWiki release branch - PHP 8.2 
+          # Latest MediaWiki release branch - PHP 8.2
           - mw: 'REL1_41'
             php: 8.2
             php-docker: 82