diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e129664..1d669ce 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -27,6 +27,15 @@ jobs:
       uses: actions/setup-python@v3
       with:
         python-version: ${{ matrix.python-version }}
+    - name: Set up Poetry
+      uses: Gr1N/setup-poetry@v8
+    - name: Check Poetry config
+      run: poetry check
+    - name: Install dependencies
+      run: poetry install
+      env:
+        POETRY_HTTP_BASIC_GITLAB_USERNAME: "lt-ai-package-registry"
+        POETRY_HTTP_BASIC_GITLAB_PASSWORD: ${{ secrets.POETRY_HTTP_BASIC_GITLAB_PASSWORD }}
     - name: Build spelling dictionaries
       run: poetry run python ./pt_dict/scripts/build_spelling_dicts.py
     - name: Build POS tagging dictionary