diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 60adaab..4745801 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,9 +16,12 @@ jobs:
       - name: Set up python
         id: setup-python
         uses: actions/setup-python@v5
+        
+      - name: Install Openslide
+        run: sudo apt install openslide-tools
 
       - name: Install
-        run: pip install .[test]
+        run: pip install .[test,openslide]
 
       - name: Run tests
         run: pytest
diff --git a/README.md b/README.md
index 3ccad3f..c2bc049 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ You can find the documentation on https://qupath.github.io/qubalab-docs/.
 This project contains the QuBaLab package in the `qubalab` folder. Take a look at the *Installation* section to install it.
 
 Some notebooks present in the `notebooks` folder show how to use the QuBaLab package. If you want to run them, you can take a look at the *Development* section.
-If you just want to go through them, look at the [documentation](https://qupath.github.io/qubalab/notebooks.html).
+If you just want to go through them, look at the [documentation](https://qupath.github.io/qubalab-docs/notebooks.html).
 
 ## Installation