Update pinned development requirements

requirements.txt

@@ -2,6 +2,6 @@
 # This file is autogenerated by pip-compile
 # To update, run:
 #
-#    pip-compile --output-file requirements.txt setup.py
+#    pip-compile --upgrade --output-file requirements.txt setup.py
 #
-pyyaml==5.1
+pyyaml==5.1.2

test-requirements.txt

@@ -2,29 +2,33 @@
 # This file is autogenerated by pip-compile
 # To update, run:
 #
-#    pip-compile --output-file test-requirements.txt test-requirements.in
+#    pip-compile --upgrade test-requirements.in
 #
-atomicwrites==1.3.0       # via pytest
-attrs==19.1.0             # via pytest
-bandit==1.5.1
-coverage==4.5.3
+attrs==19.3.0             # via pytest
+bandit==1.6.2
+coverage==4.5.4
 entrypoints==0.3          # via flake8
-flake8-comprehensions==2.1.0
+flake8-comprehensions==3.1.4
 flake8-import-order==0.18.1
 flake8-polyfill==1.0.2    # via pep8-naming
-flake8==3.7.7
-gitdb2==2.0.5             # via gitpython
-gitpython==2.1.11         # via bandit
+flake8==3.7.9
+gitdb2==2.0.6             # via gitpython
+gitpython==3.0.5          # via bandit
+importlib-metadata==0.23  # via flake8-comprehensions, pluggy, pytest
 mccabe==0.6.1             # via flake8
-more-itertools==7.0.0     # via pytest
-pbr==5.1.3                # via stevedore
-pep8-naming==0.8.2
-pluggy==0.9.0             # via pytest
+more-itertools==7.2.0     # via pytest, zipp
+packaging==19.2           # via pytest
+pbr==5.4.3                # via stevedore
+pep8-naming==0.9.1
+pluggy==0.13.1            # via pytest
 py==1.8.0                 # via pytest
 pycodestyle==2.5.0        # via flake8, flake8-import-order
 pyflakes==2.1.1           # via flake8
-pytest==4.4.0
-pyyaml==5.1               # via bandit
-six==1.12.0               # via bandit, pytest, stevedore
+pyparsing==2.4.5          # via packaging
+pytest==5.3.0
+pyyaml==5.1.2             # via bandit
+six==1.13.0               # via bandit, packaging, stevedore
 smmap2==2.0.5             # via gitdb2
-stevedore==1.30.1         # via bandit
+stevedore==1.31.0         # via bandit
+wcwidth==0.1.7            # via pytest
+zipp==0.6.0               # via importlib-metadata