diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 281cc11..5ea7fc3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,32 +27,42 @@ jobs:
         run: sudo apt-get install libcurl4-openssl-dev
 
       - name: Install Poetry
-        uses: snok/install-poetry@v1.1.2
+        uses: snok/install-poetry@v1.1.6
+        with:
+          virtualenvs-create: true
+          virtualenvs-in-project: true
 
-      - name: Cache Poetry virtualenv
-        uses: actions/cache@v1
-        id: cache
+      #----------------------------------------------
+      #       load cached venv if cache exists
+      #----------------------------------------------
+      - name: Load cached venv
+        id: cached-poetry-dependencies
+        uses: actions/cache@v2
         with:
-          path: ~/.virtualenvs
-          key: poetry-${{ hashFiles('**/poetry.lock') }}
-          restore-keys: |
-            poetry-${{ hashFiles('**/poetry.lock') }}
+          path: .venv
+          key: venv-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
+      #----------------------------------------------
+      # install dependencies if cache does not exist
+      #----------------------------------------------
+      - name: Install dependencies
+        if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
+        run: poetry install --no-interaction --no-root
 
-      - name: Set Poetry config
-        run: |
-          poetry config virtualenvs.in-project false
-          poetry config virtualenvs.path ~/.virtualenvs
-
-      - name: Install Dependencies
-        run: |
-          poetry install
-        if: steps.cache.outputs.cache-hit != 'true'
+      #----------------------------------------------
+      # install your root project, if required
+      #----------------------------------------------
+      - name: Install library
+        run: poetry install --no-interaction
 
       - name: Code Quality
-        run: poetry run black . --check
+        run: |
+          source .venv/bin/activate
+          black . --check
 
       - name: Test with pytest
-        run: poetry run pytest -n 2 --cov . --cov-report=xml
+        run:  |
+          source .venv/bin/activate
+          pytest -n 2 --cov . --cov-report=xml
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v1
@@ -63,4 +73,4 @@ jobs:
           name: codecov-umbrella
           fail_ci_if_error: true
           path_to_write_report: ./codecov_report.gz
-          verbose: true
\ No newline at end of file
+          verbose: true