diff --git a/Project.toml b/Project.toml
index a8f07fed..f751fb3a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -21,7 +21,7 @@ MacroTools = "0.5"
 Requires = "1"
 Tables = "1"
 UnsafePointers = "1"
-julia = "1"
+julia = "1.6"
 
 [extras]
 Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"