diff --git a/.github/workflows/python-package-ubuntu.yml b/.github/workflows/python-package-ubuntu.yml
new file mode 100644
index 0000000..6f4e04c
--- /dev/null
+++ b/.github/workflows/python-package-ubuntu.yml
@@ -0,0 +1,29 @@
+name: Python package build on Ubuntu
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest 
+
+    steps:
+    - name: Update package list
+      run: |
+        sudo apt-get update
+
+    - name: Install git
+      run: |
+        sudo apt-get install -y git
+
+    - name: Checkout repository
+      uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
+
+    - name: Install dependencies
+      run: |
+        sudo apt-get install -y python3 python3-pip libhdf5-dev limesuite python3-setuptools automake gcc pkg-config build-essential
+
+    - name: Build the package
+      run: |
+        python -m build
diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 4d1d419..8c0b5c1 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -19,7 +19,6 @@ jobs:
       uses: actions/checkout@v2
       with:
         submodules: 'recursive'
-        token: ${{ secrets.GITHUB_TOKEN }}
 
     - name: Install dependencies
       run: |
diff --git a/extern/limedriver b/extern/limedriver
index a6b8a3f..40245ea 160000
--- a/extern/limedriver
+++ b/extern/limedriver
@@ -1 +1 @@
-Subproject commit a6b8a3fd672cc1d32f74e2e9b8a188f0d522b990
+Subproject commit 40245eabe92c7c6ca1aa72dfad6c42ef44b9c85c