diff --git a/Project.toml b/Project.toml
index 9305726..0919360 100644
--- a/Project.toml
+++ b/Project.toml
@@ -13,3 +13,7 @@ ZMQ = "c2297ded-f4af-51ae-bb23-16f91089e4e1"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+
+[compat]
+julia = "1"
+ZMQ = "1"