diff --git a/Project.toml b/Project.toml
index 14ad681..f43fdad 100644
--- a/Project.toml
+++ b/Project.toml
@@ -14,7 +14,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 
 [compat]
 julia = "1.6"
-DelimitedFiles = "1.9.1"
+DelimitedFiles = "1.6.7"
 Jutul = "0.2.20"
 LinearAlgebra = "1"
 OrderedCollections = "1.6.2"