diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 7108d9ccfd4..2a123c838ef 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -88,7 +88,7 @@ jobs:
         if: ${{ matrix.db == 'pgsql' }}
         uses: m4nu56/postgresql-action@v1
         with:
-          postgresql version: 14
+          postgresql version: 15
           postgresql db: test
           postgresql user: test
           postgresql password: test
diff --git a/public/admin/environment.xml b/public/admin/environment.xml
index 65df3e7b76c..719c7feb1b5 100644
--- a/public/admin/environment.xml
+++ b/public/admin/environment.xml
@@ -4909,7 +4909,7 @@
     <DATABASE level="required">
       <VENDOR name="mariadb" version="10.11.0" />
       <VENDOR name="mysql" version="8.4" />
-      <VENDOR name="postgres" version="14" />
+      <VENDOR name="postgres" version="15" />
       <VENDOR name="mssql" version="14.0" />
       <VENDOR name="auroramysql" version="8.0" />
     </DATABASE>
diff --git a/public/lib/phpminimumversionlib.php b/public/lib/phpminimumversionlib.php
index 2959e853b32..da57c7ef9dd 100644
--- a/public/lib/phpminimumversionlib.php
+++ b/public/lib/phpminimumversionlib.php
@@ -49,7 +49,7 @@ function moodle_minimum_php_version_is_met($haltexecution = false) {
     // Do not use modern php features or Moodle convenience functions (e.g. localised strings).
 
     $minimumversion = '8.2.0';
-    $moodlerequirementchanged = '5.0';
+    $moodlerequirementchanged = '5.1';
 
     if (version_compare(PHP_VERSION, $minimumversion) < 0) {
         if ($haltexecution) {