diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 11b8ecdec..25b22f1f2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -25,7 +25,8 @@ jobs:
       - name: Install Flit
         run: pip install flit
       - name: Install Dependencies
-        run: flit install --deps=develop --symlink
+        # run: flit install --deps=develop --symlink
+        run: python -m pip install ".[test]"
       - name: Install Click 7
         if: matrix.click-7
         run: pip install "click<8.0.0"
diff --git a/pyproject.toml b/pyproject.toml
index 808cb1ad6..9e6ea70c8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,6 +52,8 @@ doc = [
     "mkdocs >=1.1.2,<2.0.0",
     "mkdocs-material >=8.1.4,<9.0.0",
     "mdx-include >=1.4.1,<2.0.0",
+    "pillow >=9.3.0,<10.0.0",
+    "cairosvg >=2.5.2,<3.0.0",
 ]
 dev = [
     "autoflake >=1.3.1,<2.0.0",