diff --git a/Project.toml b/Project.toml
index 91c3c4f2..2f4df69b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -22,7 +22,7 @@ Adapt = "3"
 ArrayInterfaceCore = "0.1.1"
 ArrayInterfaceStaticArrays = "0.1"
 ChainRulesCore = "0.10.7, 1"
-DocStringExtensions = "0.8"
+DocStringExtensions = "0.8, 0.9"
 FillArrays = "0.11, 0.12, 0.13"
 GPUArrays = "8"
 RecipesBase = "0.7, 0.8, 1.0"