diff --git a/tox.ini b/tox.ini
index 424b1d694..0fbaabce8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -365,6 +365,10 @@ deps =
   -c {toxinidir}/dev-requirements.txt
   -r {toxinidir}/docs-requirements.txt
 
+commands_pre =
+  pip install -e {toxinidir}/opentelemetry-api \ 
+              -e {toxinidir}/opentelemetry-sdk
+
 changedir = docs
 
 commands =