diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 771edf56..54f0d6de 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -27,6 +27,10 @@ jobs:
       run: |
         poetry install
 
+    - name: Install pexpect for testing the interactive CLI
+      run: |
+        poetry add --dev pexpect
+
     - name: Run tests with pytest
       run: |
         poetry run pytest -s tests