diff --git a/Makefile b/Makefile
index 9573129..58a44d7 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@ help:
 	@echo "$$HELPBODY"
 
 init:
-	pip install -r req.txt
+	pip install -r requirements.txt
 
 test:
 	rm -f .coverage aprslib/*.pyc
diff --git a/req.txt b/requirements.txt
similarity index 67%
rename from req.txt
rename to requirements.txt
index 257fde8..695a581 100644
--- a/req.txt
+++ b/requirements.txt
@@ -2,3 +2,4 @@ nose
 coverage
 unittest2
 mox3
+sphinx==1.3.5