diff --git a/Project.toml b/Project.toml
index 62ede36..6eb2953 100644
--- a/Project.toml
+++ b/Project.toml
@@ -17,7 +17,7 @@ Serialization = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
 YAML = "ddb6d928-2868-570f-bddf-ab3f9cf99eb6"
 
 [compat]
-Highlights = "0.3.1, 0.4"
+Highlights = "0.3.1, 0.4, 0.5"
 JSON = "0.21"
 Mustache = "0.4.1, 0.5, 1"
 Plots = "0.28, 0.29, 1.0"