diff --git a/test/Project.toml b/test/Project.toml
index 519cbc4..b3a4c06 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -13,3 +13,6 @@ Suppressor = "fd094767-a336-5f1f-9728-57cf17d0bbfb"
 Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 TimeZones = "f269a46b-ccf7-5d73-abea-4c690281aa53"
+
+[compat]
+DataFrames = "1.8.1"