diff --git a/Project.toml b/Project.toml
index 38ea0b3504..f03be7d079 100644
--- a/Project.toml
+++ b/Project.toml
@@ -24,7 +24,7 @@ YAML = "ddb6d928-2868-570f-bddf-ab3f9cf99eb6"
 [compat]
 CSV = "~0.9, 0.10"
 DataFrames = "1"
-DocStringExtensions = "~0.9"
+DocStringExtensions = "~0.8, ~0.9"
 InfrastructureSystems = "^1.17"
 JSON3 = "1"
 NLsolve = "4"