diff --git a/.github/workflows/flower.yml b/.github/workflows/flower.yml
index 2eb561c74fda..4a7ccf6be7f2 100644
--- a/.github/workflows/flower.yml
+++ b/.github/workflows/flower.yml
@@ -23,6 +23,13 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python }}
+      - name: Cache Python dependencies
+        uses: actions/cache@v3
+        with:
+          path: |
+            **/poetry.lock
+            ~/.cache/pypoetry
+          key: poetry-cache-${{ matrix.python }}-${{ hashFiles('**/pyproject.toml') }}
       - name: Install build tools
         run: |
           python -m pip install -U pip==23.1.2