-# PIP freeze dependencies
-alabaster==0.7.12
-Babel==2.9.0
-bcrypt==3.1.7
-certifi==2020.12.5
-cffi==1.13.2
-chardet==4.0.0
-cryptography==2.8
-docutils==0.16
-future==0.18.2
-idna==2.10
-imagesize==1.2.0
-Jinja2==2.11.3
-MarkupSafe==1.1.1
-packaging==20.9
-pbr==5.5.1
-pycparser==2.19
-Pygments==2.8.1
-PyNaCl==1.3.0
-pyparsing==2.4.7
-python-dateutil==2.8.1
-pytz==2021.1
-retrying==1.3.3
-six==1.15.0
-snowballstemmer==2.1.0
-sphinxcontrib-applehelp==1.0.2
-sphinxcontrib-devhelp==1.0.2
-sphinxcontrib-htmlhelp==1.0.3
-sphinxcontrib-jsmath==1.0.1
-sphinxcontrib-qthelp==1.0.3
-sphinxcontrib-serializinghtml==1.1.4
-urllib3==1.25.6
+# JSON schema validation
+jsonschema==4.18.4
+rfc3339-validator==0.1.4
+rfc3987==1.3.8
+
+# Other PIP freeze dependencies.
+attrs==23.1.0
+bcrypt==4.0.1
+certifi==2023.7.22
+cffi==1.15.1
+charset-normalizer==3.2.0
+cryptography==41.0.3
+idna==3.4
+Jinja2==3.1.2
+jsonschema-specifications==2023.7.1
+MarkupSafe==2.1.3
+packaging==23.1
+pycparser==2.21
+PyNaCl==1.5.0
+referencing==0.30.0
+resolvelib==1.0.1
+rpds-py==0.9.2
+six==1.16.0
+urllib3==2.0.4