diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index ea6d943..70b5e26 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -37,5 +37,5 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.13"
-      - run: pip install beautifulsoup4 pytest
+      - run: pip install beautifulsoup4 pytest yarl
       - run: pytest tests/ -q
diff --git a/README.md b/README.md
index 7ea9ae2..ad2184b 100644
--- a/README.md
+++ b/README.md
@@ -160,7 +160,7 @@ Paste it under `views:` in the raw configuration editor.
 ## Tests
 
 ```
-pip install beautifulsoup4 pytest
+pip install beautifulsoup4 pytest yarl
 pytest tests/
 ```