diff --git a/Project.toml b/Project.toml
index b0b923a..318391b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -14,6 +14,7 @@ SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 
 [compat]
+DocStringExtensions = "0.9"
 julia = "1.7"
 
 [extras]