diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5ae0ccf..2aa1a42 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -34,7 +34,7 @@ jobs:
       JBZOO_COMPOSER_UPDATE_FLAGS: ${{ matrix.composer_flags }}
     strategy:
       matrix:
-        php-version: [ 8.1, 8.2 ]
+        php-version: [ 8.1, 8.2, 8.3 ]
         coverage: [ xdebug, none ]
         composer_flags: [ "--prefer-lowest", "" ]
     steps:
@@ -77,7 +77,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-version: [ 8.1, 8.2 ]
+        php-version: [ 8.1, 8.2, 8.3 ]
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
@@ -111,7 +111,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-version: [ 8.1, 8.2 ]
+        php-version: [ 8.1, 8.2, 8.3 ]
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
diff --git a/composer.json b/composer.json
index d3481a7..6c532c5 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     },
 
     "require-dev"       : {
-        "jbzoo/toolbox-dev" : "^7.0"
+        "jbzoo/toolbox-dev" : "^7.1"
     },
 
     "autoload"          : {