update build dependencies

Author: chrissimpkins

requirements.txt

@@ -4,8 +4,14 @@
 #
 #    pip-compile requirements.in
 #
+altgraph==0.17            # via macholib, pyinstaller
 fonttools==4.21.1         # via -r requirements.in
-pyqt5-qt==5.15.2          # via pyqt5
+macholib==1.14            # via pyinstaller
+pyinstaller-hooks-contrib==2021.1  # via pyinstaller
+https://github.com/pyinstaller/pyinstaller/archive/develop.tar.gz  # via -r requirements.in
+pyqt5-qt5==5.15.2         # via pyqt5
 pyqt5-sip==12.8.1         # via pyqt5
-pyqt5==5.15.3             # via -r requirements.in
-https://github.com/pyinstaller/pyinstaller/archive/develop.tar.gz
+pyqt5==5.15.4             # via -r requirements.in
+
+# The following packages are considered to be unsafe in a requirements file:
+# setuptools