diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c93eb78..d67c926 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,10 +12,10 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3.6.1
+        uses: docker/setup-buildx-action@v3.7.1
 
       - name: Cache Docker layers
-        uses: actions/cache@v4.0.2
+        uses: actions/cache@v4.1.2
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}
@@ -24,7 +24,7 @@ jobs:
 
       -
         name: Build and push
-        uses: docker/build-push-action@v6.5.0
+        uses: docker/build-push-action@v6.9.0
         with:
           context: .
           load: true
diff --git a/composer.json b/composer.json
index bb66027..6fc55bd 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     },
     "prefer-stable": true,
     "require": {
-        "php": "~8.1.0 || ~8.2.0",
+        "php": "~8.1.0 || ~8.2.0 || ~8.4.0",
         "ext-json": "*",
         "ext-pcntl": "*",
         "chimera/bus-tactician": "^1.0.x-dev",