diff --git a/Project.toml b/Project.toml
index df9ca4c..8883647 100644
--- a/Project.toml
+++ b/Project.toml
@@ -22,7 +22,7 @@ CompilerPluginTools = "0.1"
 Configurations = "0.15, 0.16"
 Expronicon = "0.6"
 GPUCompiler = "0.11, 0.12"
-LLVM = "3.6"
+LLVM = "3.6, 4.4"
 MLStyle = "0.4"
 TimerOutputs = "0.5"
 YaoAPI = "0.1"