diff --git a/Project.toml b/Project.toml
index a0dd4bf75..cfc32789b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -38,7 +38,7 @@ VegaLite = "112f6efa-9a02-5b7d-90c0-432ed331239a"
 [compat]
 CSVFiles = "0.16, 1.0"
 Classes = "1.2"
-Compose = "0.7, 0.8"
+Compose = "0.7, 0.8, 0.9"
 DataFrames = "0.19.1, 0.20, 0.21"
 DataStructures = "0.17"
 Distributions = "0.21, 0.22, 0.23"