diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 504de64..f0f792f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -66,7 +66,7 @@ jobs:
       - name: Install dependencies
         run: |
           pip install --upgrade pip
-          python -m pip install -e .
+          sh build.sh
           pip install tox tox-gh-actions
       - name: Run tests using tox
         run: tox -e ${{ matrix.env }}
diff --git a/build.sh b/build.sh
new file mode 100644
index 0000000..fce52ab
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+# last version of `build` supporting Python 3.6
+pip install build==0.9.0
+
+# build the wheel and install it
+WHEEL_NAME=$(python -m build | grep -Po "django_mermaid-.*\.whl" | tail -n 1)
+pip install dist/$WHEEL_NAME
\ No newline at end of file
diff --git a/tox.ini b/tox.ini
index 393a551..41e3122 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,6 +17,7 @@ deps =
     django21: django<2.2
     django11: django<2.0
     -r{toxinidir}/tests/requirements.txt
+allowlist_externals = sh
 commands =
-    pip install -e .
+    sh build.sh
     pytest