diff --git a/.github/workflows/test_mysql.yml b/.github/workflows/test_mysql.yml
index 72df849..ba8b994 100644
--- a/.github/workflows/test_mysql.yml
+++ b/.github/workflows/test_mysql.yml
@@ -34,6 +34,10 @@ jobs:
             operating_system: 'ubuntu-22.04'
             php_versions: 8.3
             mysql_versions: '9.1'
+          -
+            operating_system: 'ubuntu-22.04'
+            php_versions: 8.4
+            mysql_versions: 'mariadb-11.6'
 
     runs-on: '${{ matrix.operating_system }}'
 
diff --git a/.github/workflows/test_postgres.yml b/.github/workflows/test_postgres.yml
index 9d467ab..eb85fca 100644
--- a/.github/workflows/test_postgres.yml
+++ b/.github/workflows/test_postgres.yml
@@ -14,6 +14,7 @@ jobs:
         php_versions:
           - '8.2'
           - '8.3'
+          - '8.4'
 
     runs-on: '${{ matrix.operating_system }}'
 
diff --git a/.github/workflows/test_sqlite.yml b/.github/workflows/test_sqlite.yml
index 8741757..610b00f 100644
--- a/.github/workflows/test_sqlite.yml
+++ b/.github/workflows/test_sqlite.yml
@@ -14,6 +14,7 @@ jobs:
         php_versions:
           - '8.2'
           - '8.3'
+          - '8.4'
 
     runs-on: '${{ matrix.operating_system }}'
 
diff --git a/.github/workflows/test_unit.yml b/.github/workflows/test_unit.yml
index 7ab7476..e475e2c 100644
--- a/.github/workflows/test_unit.yml
+++ b/.github/workflows/test_unit.yml
@@ -11,6 +11,7 @@ jobs:
         php_versions:
           - '8.2'
           - '8.3'
+          - '8.4'
 
     runs-on: '${{ matrix.operating_system }}'