diff --git a/Project.toml b/Project.toml
index 0c547cd..7050c9f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,3 +12,4 @@ Makie = "ee78f7c6-11fb-53f2-987a-cfe4a2b5a57a"
 JSON = "0.21"
 Makie = "0.16"
 julia = "1.6, 1.7, 1.8"
+DocStringExtensions = "0.8"