-tox
-Sphinx==4.2.0
-doc8
-docutils
-setuptools
-six
-lfdocs-conf~=0.7.5
-funcparserlib~=1.0.0a0
-sphinxcontrib.blockdiag~=2.0.0
-sphinxcontrib-needs<0.6.0
-sphinxcontrib.plantuml~=0.21
-sphinxcontrib.nwdiag~=2.0.0
-sphinxcontrib-seqdiag~=2.0.0
-sphinxcontrib-swaggerdoc~=0.1.7
-sphinx-rtd-theme~=1.0.0
\ No newline at end of file
+lfdocs-conf
+sphinx>=4.2.0  # BSD
+sphinx-rtd-theme>=1.0.0  # MIT
 
 
 [testenv:docs]
 basepython = python3
-deps = -r{toxinidir}/requirements-docs.txt
+deps =
+    -r{toxinidir}/requirements-docs.txt
+    -chttps://git.onap.org/doc/plain/etc/upper-constraints.os.txt
+    -chttps://git.onap.org/doc/plain/etc/upper-constraints.onap.txt
+whitelist_externals =
+    echo
 commands =
     sphinx-build -b html -n -d {envtmpdir}/doctrees ./ {toxinidir}/_build/html
     echo "Generated docs available in {toxinidir}/_build/html"
-whitelist_externals =
-    echo
-    git
-    sh
 
 [testenv:docs-linkcheck]
 basepython = python3
-#deps = -r{toxinidir}/requirements-docs.txt
+# deps =
+#     -r{toxinidir}/requirements-docs.txt
+#     -chttps://git.onap.org/doc/plain/etc/upper-constraints.os.txt
+#     -chttps://git.onap.org/doc/plain/etc/upper-constraints.onap.txt
 commands = echo "Link Checking not enforced"
-#commands = sphinx-build -b linkcheck -d {envtmpdir}/doctrees ./ {toxinidir}/_build/linkcheck
+# commands = sphinx-build -b linkcheck -d {envtmpdir}/doctrees ./ {toxinidir}/_build/linkcheck
 whitelist_externals = echo