diff --git a/Project.toml b/Project.toml
index b7f7d98..c211d5c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -68,7 +68,7 @@ StatsBase = "0.33.7, 0.34"
 StructArrays = "0.6"
 TypedTables = "1.2"
 UnPack = "1"
-Unitful = "1"
+Unitful = "1.6"
 julia = "1.6"
 
 [extras]