diff --git a/.github/workflows/readme.yml b/.github/workflows/readme.yml
index 9b0d636a..4d76f2da 100644
--- a/.github/workflows/readme.yml
+++ b/.github/workflows/readme.yml
@@ -21,6 +21,6 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install invoke rundoc .
+        python -m pip install invoke tomli rundoc .
     - name: Run the README.md
       run: invoke readme