diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1e46a93..e4cd2ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,7 +47,7 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
-      - uses: snok/install-poetry@v1.4.1
+      - uses: snok/install-poetry@a783c322200f0519c7926aa6faa857c4e23e9263 # v1.4.2
       - name: Install Dependencies
         run: poetry install
         shell: bash