diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fbead94..4240832 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -103,7 +103,7 @@ jobs:
         key: tests-cache-${{ runner.os }}-${{ matrix.python-version }}
 
     - name: Install dependencies
-      run: pdm install -G duty -G tests
+      run: pdm install --no-editable -G duty -G tests
 
     - name: Run the test suite
       run: pdm run duty test
diff --git a/pyproject.toml b/pyproject.toml
index 912f3d0..2565ba7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,6 +52,7 @@ autorefs = "mkdocs_autorefs.plugin:AutorefsPlugin"
 [tool.pdm]
 version = {use_scm = true}
 package-dir = "src"
+editable-backend = "editables"
 
 [tool.pdm.dev-dependencies]
 duty = ["duty>=0.7"]
diff --git a/src/mkdocs_autorefs/__init__.py b/src/mkdocs_autorefs/__init__.py
new file mode 100644
index 0000000..9b951fd
--- /dev/null
+++ b/src/mkdocs_autorefs/__init__.py
@@ -0,0 +1,4 @@
+"""mkdocs-autorefs package.
+
+Automatically link across pages in MkDocs.
+"""