1 files changed, 8 insertions, 2 deletions

diff --git a/tox.ini b/tox.ini
index 33fde8e..55ef4f6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,12 +20,18 @@ envlist = docs,docs-linkcheck
 skipsdist = true
 
 [testenv:docs]
-deps = -r{toxinidir}/etc/requirements.txt
+deps =
+    -r{toxinidir}/etc/requirements.txt
+    -chttps://git.onap.org/doc/plain/etc/upper-constraints.os.txt?h=istanbul
+    -chttps://git.onap.org/doc/plain/etc/upper-constraints.onap.txt?h=istanbul
 commands =
     sphinx-build -b html -n -d {envtmpdir}/doctrees ./docs/ {toxinidir}/docs/_build/html
     echo "Generated docs available in {toxinidir}/docs/_build/html"
 whitelist_externals = echo
 
 [testenv:docs-linkcheck]
-deps = -r{toxinidir}/etc/requirements.txt
+deps =
+    -r{toxinidir}/etc/requirements.txt
+    -chttps://git.onap.org/doc/plain/etc/upper-constraints.os.txt?h=istanbul
+    -chttps://git.onap.org/doc/plain/etc/upper-constraints.onap.txt?h=istanbul
 commands = sphinx-build -b linkcheck -d {envtmpdir}/doctrees ./docs/ {toxinidir}/docs/_build/linkcheck