diff --git a/evo_downloader/gui.py b/evo_downloader/gui.py
index a566176..3a5c941 100644
--- a/evo_downloader/gui.py
+++ b/evo_downloader/gui.py
@@ -1,4 +1,5 @@
-from PyQt6.QtWidgets import (
+from PyQt5.QtCore import pyqtSignal
+from qtpy.QtWidgets import (
     QApplication,
     QWidget,
     QVBoxLayout,
@@ -10,7 +11,7 @@
     QProgressBar,
     QTextEdit,
 )
-from PyQt6.QtCore import Qt, QThread, pyqtSignal
+from qtpy.QtCore import QThread
 import sys
 import os
 from evo_downloader.downloader import Downloader
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..814cca2
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,2 @@
+[pytest]
+qt_api=pyqt5
\ No newline at end of file
diff --git a/requirements-test.txt b/requirements-test.txt
index b6918b0..cd5c914 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -9,5 +9,5 @@ codecov
 mypy
 gitchangelog
 mkdocs
-pyqt6
+pyqt5
 pytest-qt
diff --git a/setup.py b/setup.py
index 48d716c..9f42250 100644
--- a/setup.py
+++ b/setup.py
@@ -37,5 +37,5 @@ def read_requirements(path):
     packages=find_packages(exclude=["tests", ".github"]),
     install_requires=read_requirements("requirements.txt"),
     entry_points={"console_scripts": ["edownload = evo_downloader.__main__:main"]},
-    extras_require={"test": read_requirements("requirements-test.txt"), "full": ["pyqt6"]},
+    extras_require={"test": read_requirements("requirements-test.txt"), "full": ["pyqt5"]},
 )
diff --git a/tests/test_gui.py b/tests/test_gui.py
index c5edf8c..c1e66c9 100644
--- a/tests/test_gui.py
+++ b/tests/test_gui.py
@@ -1,8 +1,6 @@
-import sys
 import unittest
 
-from PyQt6.QtCore import Qt
-from PyQt6.QtWidgets import QApplication
+from PyQt5.QtCore import Qt
 from evo_downloader.gui import DownloaderGUI