diff --git a/Project.toml b/Project.toml
index 9a6aa54..6dda6d8 100644
--- a/Project.toml
+++ b/Project.toml
@@ -21,7 +21,7 @@ YAML = "ddb6d928-2868-570f-bddf-ab3f9cf99eb6"
 
 [compat]
 Distributions = "0.25"
-DocStringExtensions = "0.8"
+DocStringExtensions = "0.8, 0.9"
 ImageFiltering = "0.7"
 Interpolations = "0.13"
 JSON = "0.21"