diff --git a/Project.toml b/Project.toml
index 7dedfb1..e341a98 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,7 +12,7 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 TestItems = "1c621080-faea-4a02-84b6-bbd5e436b8fe"
 
 [compat]
-Dates = "1"
+Dates = "1, < 0.0.1"
 julia = "1.6"
 libxls_jll = "1.6.2"