diff --git a/docs/requirements-docs.txt b/docs/requirements-docs.txt
index c791288..5a3d2f1 100644
--- a/docs/requirements-docs.txt
+++ b/docs/requirements-docs.txt
@@ -1,16 +1 @@
-tox
-Sphinx
-doc8
-docutils
-setuptools
-six
-sphinx_bootstrap_theme
-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
+lfdocs-conf
\ No newline at end of file
diff --git a/docs/tox.ini b/docs/tox.ini
index edac8c3..4e9449e 100644
--- a/docs/tox.ini
+++ b/docs/tox.ini
@@ -6,6 +6,8 @@
 [testenv:docs]
 basepython = python3
 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 =
     sphinx-build -b html -n -d {envtmpdir}/doctrees ./ {toxinidir}/_build/html
     echo "Generated docs available in {toxinidir}/_build/html"
@@ -16,7 +18,9 @@
 
 [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
 whitelist_externals = echo