diff --git a/src/DataArrays.jl b/src/DataArrays.jl
index 034299d4c..69d66879e 100644
--- a/src/DataArrays.jl
+++ b/src/DataArrays.jl
@@ -1,3 +1,5 @@
+VERSION >= v"0.4.0-dev+6641" && __precompile__()
+
 module DataArrays
     using Base.Cartesian, Compat, Reexport
     @reexport using StatsBase