--- a/requirements.txt
+++ b/requirements.txt
@@ -6,5 +6,5 @@
 raven>=5.23.0
 psutil>=3.0.0
 zipstream>=1.1.4
-typing>=3.5.3.0 # Otherwise yarl fails with python 3.4
+typing>=3.5.3.0;python_version<"3.5" # Otherwise yarl fails with python 3.4
 prompt-toolkit