diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 57157467..2d8a82a4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -59,7 +59,6 @@ jobs:
         if: matrix.os.name == 'Linux'
         run: |
           sudo apt-get update --yes
-          sudo apt-get install --yes libgl1
           # Required to stubtest QtMultimedia
           sudo apt-get install --yes libpulse-mainloop-glib0
           sudo apt-get install --yes libgl1 libgl1-mesa-dev xvfb x11-utils libdbus-1-3 libxkbcommon-x11-0 libxcb-icccm4 libxcb-image0 libxcb-keysyms1 libxcb-randr0 libxcb-render-util0 libxcb-xinerama0 libxcb-xfixes0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f3d0302e..b1ec942f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 * [#183](https://github.com/python-qt-tools/PyQt5-stubs/pull/183) Add missing operations on QSize
 * [#189](https://github.com/python-qt-tools/PyQt5-stubs/pull/189) Fix QListWidget, QTreeWidget and QTableWidget so that their respective items are now optional in many places when used as argument or return value
 * [#165](https://github.com/python-qt-tools/PyQt5-stubs/pull/165) allow `None` as argument for `QLineEdit.setText()`
+* [#148](https://github.com/python-qt-tools/PyQt5-stubs/pull/148) add `widgetResizable` parameter to `QScrollArea.__init__()` and `objectName` parameter to `QGroupBox.__init__()`.
+
 
 ## 5.15.2.0
 
diff --git a/PyQt5-stubs/QtWidgets.pyi b/PyQt5-stubs/QtWidgets.pyi
index 09275fec..adf0c2ca 100644
--- a/PyQt5-stubs/QtWidgets.pyi
+++ b/PyQt5-stubs/QtWidgets.pyi
@@ -6540,9 +6540,9 @@ class QGridLayout(QLayout):
 class QGroupBox(QWidget):
 
     @typing.overload
-    def __init__(self, parent: typing.Optional[QWidget] = ...) -> None: ...
+    def __init__(self, parent: typing.Optional[QWidget] = ..., *, objectName: str = ...) -> None: ...
     @typing.overload
-    def __init__(self, title: str, parent: typing.Optional[QWidget] = ...) -> None: ...
+    def __init__(self, title: str, parent: typing.Optional[QWidget] = ..., *, objectName: str = ...) -> None: ...
 
     def mouseReleaseEvent(self, event: QtGui.QMouseEvent) -> None: ...
     def mouseMoveEvent(self, event: QtGui.QMouseEvent) -> None: ...
@@ -8431,7 +8431,7 @@ class QRubberBand(QWidget):
 
 class QScrollArea(QAbstractScrollArea):
 
-    def __init__(self, parent: typing.Optional[QWidget] = ...) -> None: ...
+    def __init__(self, parent: typing.Optional[QWidget] = ..., *, widgetResizable: bool = ...) -> None: ...
 
     def viewportSizeHint(self) -> QtCore.QSize: ...
     def scrollContentsBy(self, dx: int, dy: int) -> None: ...
diff --git a/setup.py b/setup.py
index 202093d9..0eb08801 100644
--- a/setup.py
+++ b/setup.py
@@ -52,7 +52,7 @@ def find_version(*file_paths):
     packages=["PyQt5-stubs"],
     extras_require={
         "build": ["docker==4.2.0"],
-        "dev": ["mypy", "pytest", "pytest-xvfb"],
+        "dev": ["mypy==0.930", "pytest", "pytest-xvfb"],
     },
     classifiers=[
         "Development Status :: 4 - Beta",
diff --git a/tests/qgroupbox.py b/tests/qgroupbox.py
new file mode 100644
index 00000000..3dd6d317
--- /dev/null
+++ b/tests/qgroupbox.py
@@ -0,0 +1,3 @@
+from PyQt5.QtWidgets import QGroupBox
+
+groupBox = QGroupBox(objectName='some_name')
diff --git a/tests/qscrollarea.py b/tests/qscrollarea.py
new file mode 100644
index 00000000..a0f1c25f
--- /dev/null
+++ b/tests/qscrollarea.py
@@ -0,0 +1,3 @@
+from PyQt5.QtWidgets import QScrollArea
+
+scrollArea = QScrollArea(widgetResizable=True)
diff --git a/tests/simple.py b/tests/simple.py
deleted file mode 100644
index 0c65dfdf..00000000
--- a/tests/simple.py
+++ /dev/null
@@ -1 +0,0 @@
-from PyQt5 import QtCore