diff --git a/Project.toml b/Project.toml
index e765226..7be05ab 100644
--- a/Project.toml
+++ b/Project.toml
@@ -22,7 +22,7 @@ Clang = "0.14, 0.17.4, 0.18"
 CxxWrap = "0.14, 0.16"
 GPUCompiler = "0.23, 0.24, 0.25, 0.26, 0.27"
 JSON = "0.21.4"
-LLVM = "6, 7, 8"
+LLVM = "6, 7, 8, 9"
 LinearAlgebra = "1"
 Pkg = "1"
 ProgressMeter = "1.7"