diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 379b797..55c77e3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -130,6 +130,7 @@ jobs:
       fail-fast: true
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
+        poetry-version: ["1.5.1"]
     runs-on: "ubuntu-20.04"
     env:
       PYTHON_VER: "${{ matrix.python-version }}"
@@ -137,11 +138,12 @@ jobs:
       - name: "Check out repository code"
         uses: "actions/checkout@v2"
       - name: "Setup environment"
-        uses: "networktocode/gh-action-setup-poetry-environment@v5"
+        uses: "networktocode/gh-action-setup-poetry-environment@3ea5d3e"
         env:
           POETRY_VERSION: 1.5.1
         with:
           python-version: "${{ matrix.python-version }}"
+          poetry-version: "${{ matrix.poetry-version }}"
       - name: "Install redis"
         run: "sudo apt-get install -y redis"
       - name: "Run poetry Install"
diff --git a/Dockerfile b/Dockerfile
index 824f054..e5b36ce 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   && rm -rf /var/lib/apt/lists/*
 
 RUN pip install --upgrade pip \
-  && pip install poetry
+  && pip install poetry==1.5.1
 
 
 WORKDIR /local