diff --git a/.github/pie-behaviour-tests/Dockerfile b/.github/pie-behaviour-tests/Dockerfile
index 529d5bd..04d47ae 100644
--- a/.github/pie-behaviour-tests/Dockerfile
+++ b/.github/pie-behaviour-tests/Dockerfile
@@ -7,7 +7,7 @@ FROM alpine/git:v2.49.1 AS clone_ext_repo
 
 RUN cd / && git clone https://github.com/asgrim/example-pie-extension.git
 
-FROM boxproject/box:4.6.10 AS build_pie_phar
+FROM boxproject/box:4.7.0 AS build_pie_phar
 
 RUN apk add git
 COPY . /app
diff --git a/.github/workflows/build-assets.yml b/.github/workflows/build-assets.yml
index 9c2643c..9d47ae5 100644
--- a/.github/workflows/build-assets.yml
+++ b/.github/workflows/build-assets.yml
@@ -35,7 +35,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           coverage: none
-          tools: composer, box
+          tools: composer, box:4.7.x
           php-version: "${{ matrix.php-version }}"
       - uses: actions/checkout@v6
         with:
diff --git a/test/end-to-end/Dockerfile b/test/end-to-end/Dockerfile
index 09e941e..a827bb9 100644
--- a/test/end-to-end/Dockerfile
+++ b/test/end-to-end/Dockerfile
@@ -1,4 +1,4 @@
-FROM boxproject/box:4.6.10 AS build_pie_phar
+FROM boxproject/box:4.7.0 AS build_pie_phar
 RUN apk add git
 COPY . /app
 RUN cd /app && touch creating_this_means_phar_will_never_be_verified && /box.phar compile