diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b8a69172..385cd0d4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -23,7 +23,8 @@ jobs:
       run: |
         sudo apt update && sudo apt install -y \
           xvfb herbstluftwm libssl-dev openssl libacl1-dev libacl1 build-essential \
-          libxkbcommon-x11-0 dbus-x11
+          libxkbcommon-x11-0 dbus-x11 libxcb-icccm4 libxcb-image0 libxcb-keysyms1 \
+          libxcb-randr0 libxcb-render-util0 libxcb-xinerama0 libxcb-xfixes0
     - name: Install system dependencies (macOS)
       if: runner.os == 'macOS'
       run: |
diff --git a/setup.cfg b/setup.cfg
index 1a079d3a..58743217 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -33,7 +33,7 @@ setup_requires =
 install_requires =
   appdirs
   paramiko
-  pyqt5 < 5.15
+  pyqt5
   peewee
   python-dateutil
   apscheduler
diff --git a/tests/test_source.py b/tests/test_source.py
index 6360f4d3..b461dad0 100644
--- a/tests/test_source.py
+++ b/tests/test_source.py
@@ -1,4 +1,3 @@
-from PyQt5 import QtCore
 import vorta.models
 import vorta.views
 
@@ -11,5 +10,5 @@ def test_add_folder(qapp, qtbot, tmpdir, monkeypatch, choose_file_dialog):
     main.tabWidget.setCurrentIndex(1)
     tab = main.sourceTab
 
-    qtbot.mouseClick(tab.sourceAddFolder, QtCore.Qt.LeftButton)
+    tab.sourceAddFolder.click()
     qtbot.waitUntil(lambda: tab.sourceFilesWidget.count() == 2, timeout=5000)