diff --git a/.github/workflows/pytest-workflow.yml b/.github/workflows/pytest-workflow.yml
index c4bc0f02..5a55c651 100644
--- a/.github/workflows/pytest-workflow.yml
+++ b/.github/workflows/pytest-workflow.yml
@@ -37,6 +37,12 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: "3.x"
+      - uses: actions/cache@v2
+        with:
+          path: /usr/local/bin/nextflow
+          key: ${{ runner.os }}-nextflow-${{ matrix.nxf_version }}
+          restore-keys: |
+            ${{ runner.os }}-nextflow-
       - name: Nextflow pytest-workflow
         uses: Emiller88/pytest-workflow-composite-action@master
         with: