diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..30eab5e
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,4 @@
+hidapi==0.7.99.post21
+Sphinx==1.8.4
+sphinx-rtd-theme==0.4.3
+m2r==0.2.1