diff --git a/Project.toml b/Project.toml
index b0cacf1..51c8982 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,7 +12,7 @@ ManifoldsBase = "3362f125-f0bb-47a3-aa74-596ffd7ef2fb"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 
 [compat]
-DocStringExtensions = "0.8"
+DocStringExtensions = "0.8, 0.9"
 Manifolds = "0.6, 0.7, 0.8"
 ManifoldsBase = "0.10, 0.11, 0.12, 0.13"
 StaticArrays = "1"