diff --git a/Project.toml b/Project.toml
index be4e6cf..9ca95b1 100644
--- a/Project.toml
+++ b/Project.toml
@@ -23,7 +23,7 @@ Distributions = "0.25.76"
 DocStringExtensions = "^0.9"
 FillArrays = "1"
 FittedItemBanks = "^0.3.0, ^0.4.0, ^0.5.0, ^0.6.0"
-Makie = "^0.18.0, ^0.19.0, ^0.20.0"
+Makie = "^0.18.0, ^0.19.0, ^0.20.0, ^0.21.0"
 PsychometricsBazaarBase = "^0.6, ^0.7"
 XUnit = "^1.1.6"
 julia = "^1.8"