diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6b10de93..09110822 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
       - name: "Check out repository code"
         uses: "actions/checkout@v3"
       - name: "Setup environment"
-        uses: "networktocode/gh-action-setup-poetry-environment@v2"
+        uses: "networktocode/gh-action-setup-poetry-environment@v4"
       - name: "Linting: black"
         run: "poetry run invoke black"
   bandit:
@@ -31,7 +31,7 @@ jobs:
       - name: "Check out repository code"
         uses: "actions/checkout@v3"
       - name: "Setup environment"
-        uses: "networktocode/gh-action-setup-poetry-environment@v2"
+        uses: "networktocode/gh-action-setup-poetry-environment@v4"
       - name: "Linting: bandit"
         run: "poetry run invoke bandit"
     needs:
@@ -44,7 +44,7 @@ jobs:
       - name: "Check out repository code"
         uses: "actions/checkout@v3"
       - name: "Setup environment"
-        uses: "networktocode/gh-action-setup-poetry-environment@v2"
+        uses: "networktocode/gh-action-setup-poetry-environment@v4"
       - name: "Linting: pydocstyle"
         run: "poetry run invoke pydocstyle"
     needs:
@@ -57,7 +57,7 @@ jobs:
       - name: "Check out repository code"
         uses: "actions/checkout@v3"
       - name: "Setup environment"
-        uses: "networktocode/gh-action-setup-poetry-environment@v2"
+        uses: "networktocode/gh-action-setup-poetry-environment@v4"
       - name: "Linting: flake8"
         run: "poetry run invoke flake8"
     needs:
@@ -70,7 +70,7 @@ jobs:
       - name: "Check out repository code"
         uses: "actions/checkout@v3"
       - name: "Setup environment"
-        uses: "networktocode/gh-action-setup-poetry-environment@v2"
+        uses: "networktocode/gh-action-setup-poetry-environment@v4"
       - name: "Linting: flake8"
         run: "poetry run invoke mypy"
     needs:
@@ -83,7 +83,7 @@ jobs:
       - name: "Check out repository code"
         uses: "actions/checkout@v3"
       - name: "Setup environment"
-        uses: "networktocode/gh-action-setup-poetry-environment@v2"
+        uses: "networktocode/gh-action-setup-poetry-environment@v4"
       - name: "Linting: yamllint"
         run: "poetry run invoke yamllint"
     needs:
@@ -96,7 +96,7 @@ jobs:
       - name: "Check out repository code"
         uses: "actions/checkout@v3"
       - name: "Setup environment"
-        uses: "networktocode/gh-action-setup-poetry-environment@v2"
+        uses: "networktocode/gh-action-setup-poetry-environment@v4"
       - name: "Linting: Pylint"
         run: "poetry run invoke pylint"
     needs:
@@ -118,7 +118,7 @@ jobs:
       - name: "Check out repository code"
         uses: "actions/checkout@v3"
       - name: "Setup environment"
-        uses: "networktocode/gh-action-setup-poetry-environment@v2"
+        uses: "networktocode/gh-action-setup-poetry-environment@v4"
         with:
           python-version: "${{ matrix.python-version }}"
       - name: "Run poetry Install"