diff --git a/tox.ini b/tox.ini
index 3366b077..90531573 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{35,27},pep8
+envlist = py{35,27},pep8,py{27,35}-postgresql,bandit,docs
 
 [testenv]
 usedevelop = True
@@ -24,6 +24,7 @@ commands =
     ostestr '{posargs}'
 
 [testenv:py27-postgresql]
+#package required in ubuntu: libpq-dev
 commands =
     {[testenv]commands}
     pifpaf run postgresql -- '{toxinidir}'/tools/pretty_tox.sh '--concurrency=1 {posargs}'
@@ -34,6 +35,7 @@ commands =
     ostestr '{posargs}'
 
 [testenv:py35-postgresql]
+#package required in ubuntu: libpq-dev
 commands =
     {[testenv]commands}
     pifpaf run postgresql -- '{toxinidir}'/tools/pretty_tox.sh '--concurrency=1 {posargs}'