diff --git a/.github/workflows/psalm.yml b/.github/workflows/psalm.yml
index c3b9875..46bc1bd 100644
--- a/.github/workflows/psalm.yml
+++ b/.github/workflows/psalm.yml
@@ -7,14 +7,37 @@ jobs:
     name: Psalm
     runs-on: ubuntu-latest
     steps:
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '7.4'
+          tools: composer:v2
+          coverage: none
+
+      - name: Install Psalm
+        run: |
+          composer global require vimeo/psalm --prefer-dist --ansi --no-interaction --no-cache --dev
+          PATH=$(composer global config bin-dir --absolute --quiet):$PATH
+          psalm --version
+
       - name: Checkout code
         uses: actions/checkout@v2
 
-      - name: Psalm
-        uses: docker://vimeo/psalm-github-actions
-        with:
-          security_analysis: true
-          report_file: results.sarif
+      - name: Configure environment
+        run: composer config platform.php '7.1'
+
+      - name: Install dependencies
+        run: composer install --ansi --no-interaction --no-cache
+
+      - name: Run Psalm
+        env:
+          GITHUB_REF: ""
+          GITHUB_REPOSITORY: ""
+          GITHUB_EVENT_PATH: ""
+        run: |
+          rm -rf .git
+          psalm --taint-analysis --show-info=true --output-format=github --report=results.sarif
 
       - name: Upload Security Analysis results to GitHub
         uses: github/codeql-action/upload-sarif@v1