diff --git a/test/Project.toml b/test/Project.toml
index 229973c..5b4b92c 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -27,3 +27,4 @@ Documenter = "1.17.0"
 JuliaFormatter = "2"
 Plots = "1.41.6"
 Test = "1"
+UnicodePlots = "3.8.4"