diff --git a/.github/workflows/build-assets.yml b/.github/workflows/build-assets.yml
index 9d47ae59..b788cd03 100644
--- a/.github/workflows/build-assets.yml
+++ b/.github/workflows/build-assets.yml
@@ -44,7 +44,7 @@ jobs:
       - run: git fetch --tags --force
       # Ensure some kind of previous tag exists, otherwise box fails
       - run: git describe --tags HEAD || git tag 0.0.0
-      - uses: ramsey/composer-install@v3
+      - uses: ramsey/composer-install@v4
       - name: Build PHAR
         run: box compile
       - name: Check the PHAR executes
diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 3276779a..f4107a0b 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -30,7 +30,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - uses: actions/checkout@v6
-      - uses: ramsey/composer-install@v3
+      - uses: ramsey/composer-install@v4
       - name: GH token (non-Windows)
         if: matrix.operating-system != 'windows-latest'
         run: sudo composer config --global --auth github-oauth.github.com ${{ secrets.GITHUB_TOKEN }}
@@ -136,7 +136,7 @@ jobs:
       - run: git fetch --tags --force
       # Ensure some kind of previous tag exists, otherwise box fails
       - run: git describe --tags HEAD || git tag 0.0.0
-      - uses: ramsey/composer-install@v3
+      - uses: ramsey/composer-install@v4
       - name: Run the tests
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -161,7 +161,7 @@ jobs:
       - run: git fetch --tags --force
       # Ensure some kind of previous tag exists, otherwise box fails
       - run: git describe --tags HEAD || git tag 0.0.0
-      - uses: ramsey/composer-install@v3
+      - uses: ramsey/composer-install@v4
       - name: Build
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -182,7 +182,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - uses: actions/checkout@v6
-      - uses: ramsey/composer-install@v3
+      - uses: ramsey/composer-install@v4
       - name: Run PHPCS
         run: vendor/bin/phpcs
 
@@ -197,7 +197,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - uses: actions/checkout@v6
-      - uses: ramsey/composer-install@v3
+      - uses: ramsey/composer-install@v4
       - name: Validate the composer configuration
         run: composer validate --strict
       - name: Run phpstan
@@ -215,7 +215,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - uses: actions/checkout@v6
-      - uses: ramsey/composer-install@v3
+      - uses: ramsey/composer-install@v4
       - name: Run infection
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}