diff --git a/REQUIRE b/REQUIRE
index bc087dc9a29d9263deb1d7c1c04d7b7a48575f80..bbfa24c275b6d2ad670f5a605eedd702d199d806 100644
--- a/REQUIRE
+++ b/REQUIRE
@@ -1,3 +1,4 @@
+julia 0.7
 Plots
 GR
 ControlSystems