diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 00000000..07c9d39e
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,4 @@
+mock>=1.0.1
+nose>=1.3.0
+sphinxcontrib-httpdomain
+sphinx_rtd_theme
diff --git a/requirements.txt b/requirements.txt
index f52c102b..47542d3a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,12 +5,7 @@ sockjs-tornado>=1.0.0
 PyYAML==3.10
 Flask-Login==0.2.2
 Flask-Principal==0.3.5
-pyserial>=2.6
-netaddr>=0.7.10
-mock>=1.0.1
-nose>=1.3.0
+pyserial
+netaddr
 watchdog
 sarge
-
-sphinxcontrib-httpdomain
-sphinx_rtd_theme