diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5b6795d..4e40e3e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,11 +19,9 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install flake8 pytest poetry
+          pip install flake8 pytest
           if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
-      - name: Install dependencies (poetry)
-        run: |
-          poetry self install
+          if [ -f pyproject.toml ]; then pip install .; fi
       - name: Lint with flake8
         run: |
           # stop the build if there are Python syntax errors or undefined names
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 84f1e9f..9a2e8be 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -24,10 +24,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install build poetry
-      - name: Install dependencies (poetry)
-        run: |
-          poetry self install
+          pip install build
       - name: Extract version from tag
         run: echo "RELEASE_VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
       - name: Update version in pyproject.toml