diff --git a/cura/PlatformPhysics.py b/cura/PlatformPhysics.py
index 9f525826aa..a2b8a87577 100755
--- a/cura/PlatformPhysics.py
+++ b/cura/PlatformPhysics.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Ultimaker B.V.
+# Copyright (c) 2021 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
 from PyQt5.QtCore import QTimer
diff --git a/resources/qml/Dialogs/AboutDialog.qml b/resources/qml/Dialogs/AboutDialog.qml
index 1ee0b31040..121f5d40b4 100644
--- a/resources/qml/Dialogs/AboutDialog.qml
+++ b/resources/qml/Dialogs/AboutDialog.qml
@@ -145,13 +145,13 @@ UM.Dialog
                 projectsModel.append({ name: "SciPy", description: catalog.i18nc("@label", "Support library for scientific computing"), license: "BSD-new", url: "https://www.scipy.org/" });
                 projectsModel.append({ name: "NumPy", description: catalog.i18nc("@label", "Support library for faster math"), license: "BSD", url: "http://www.numpy.org/" });
                 projectsModel.append({ name: "NumPy-STL", description: catalog.i18nc("@label", "Support library for handling STL files"), license: "BSD", url: "https://github.com/WoLpH/numpy-stl" });
-                projectsModel.append({ name: "Shapely", description: catalog.i18nc("@label", "Support library for handling planar objects"), license: "BSD", url: "https://github.com/Toblerity/Shapely" });
                 projectsModel.append({ name: "Trimesh", description: catalog.i18nc("@label", "Support library for handling triangular meshes"), license: "MIT", url: "https://trimsh.org" });
                 projectsModel.append({ name: "libSavitar", description: catalog.i18nc("@label", "Support library for handling 3MF files"), license: "LGPLv3", url: "https://github.com/ultimaker/libsavitar" });
                 projectsModel.append({ name: "libCharon", description: catalog.i18nc("@label", "Support library for file metadata and streaming"), license: "LGPLv3", url: "https://github.com/ultimaker/libcharon" });
                 projectsModel.append({ name: "PySerial", description: catalog.i18nc("@label", "Serial communication library"), license: "Python", url: "http://pyserial.sourceforge.net/" });
                 projectsModel.append({ name: "python-zeroconf", description: catalog.i18nc("@label", "ZeroConf discovery library"), license: "LGPL", url: "https://github.com/jstasiak/python-zeroconf" });
                 projectsModel.append({ name: "Clipper", description: catalog.i18nc("@label", "Polygon clipping library"), license: "Boost", url: "http://www.angusj.com/delphi/clipper.php" });
+                projectsModel.append({ name: "Pyclipper", description: catalog.i18nc("@label", "Python bindings for Clipper"), license: "MIT", url: "https://github.com/fonttools/pyclipper" });
                 projectsModel.append({ name: "mypy", description: catalog.i18nc("@Label", "Static type checker for Python"), license: "MIT", url: "http://mypy-lang.org/" });
                 projectsModel.append({ name: "certifi", description: catalog.i18nc("@Label", "Root Certificates for validating SSL trustworthiness"), license: "MPL", url: "https://github.com/certifi/python-certifi" });
                 projectsModel.append({ name: "cryptography", description: catalog.i18nc("@Label", "Root Certificates for validating SSL trustworthiness"), license: "APACHE and BSD", url: "https://cryptography.io/" });