diff --git a/cli/requirements.txt b/cli/requirements.txt
index f824d69..ce53f0a 100644
--- a/cli/requirements.txt
+++ b/cli/requirements.txt
@@ -1,4 +1,4 @@
-sphinx
-tox
-wheel
+sphinx>=1.3.1, <2.0
+tox>=1.9.2, <2.0
+wheel>=0.24.0, <1.0
 -e .. # Install the DCOS package
diff --git a/requirements.txt b/requirements.txt
index fd81402..7b06cc5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-sphinx
-tox
-wheel
+sphinx>=1.3.1, <2.0
+tox>=1.9.2, <2.0
+wheel>=0.24.0, <1.0