diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 1cd5e40..39f955b 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        php: ['7.4', '8.4']
+        php: ['8.1', '8.4']
     steps:
       - uses: actions/checkout@v4
 
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8424a8a..b4ed2fc 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -20,8 +20,8 @@ jobs:
       EPV: 0
       PHPBB_BRANCH: '3.3.x'
       RUN_FUNCTIONAL_TESTS: 0
-      PRIMARY_PHP_VERSION: '7.4'
-      PHP_VERSION_MATRIX: '["7.4", "8.0", "8.1", "8.2"]'
+      PRIMARY_PHP_VERSION: '8.1'
+      PHP_VERSION_MATRIX: '["8.1", "8.2"]'
 
   # phpBB 4.0 (master) compatibility
   call-tests-master:
diff --git a/README.md b/README.md
index bdc85b4..fe9ceb9 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ The administrator permission only works in forums where that administrator can a
 ## Requirements
 
 - phpBB 3.3.19 or later, including phpBB 4.0 (tested on its 4.0.0-a3 development version)
-- PHP 7.4 or later (phpBB 4.0 itself needs PHP 8.2 or later)
+- PHP 8.1 or later (phpBB 4.0 itself needs PHP 8.2 or later)
 
 ## Installation