diff --git a/Project.toml b/Project.toml
index 91fa82e..cce0a3f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "PhysicalConstants"
 uuid = "5ad8b20f-a522-5ce9-bfc9-ddf1d5bda6ab"
 authors = ["Mosè Giordano <mose@gnu.org>"]
-version = "0.2.1"
+version = "0.2.2"
 
 [deps]
 Measurements = "eff96d63-e80a-5855-80a2-b1b0885c5ab7"
@@ -10,7 +10,7 @@ Unitful = "1986cc42-f94f-5a68-af5c-568840ba703d"
 
 [compat]
 Measurements = "2.0.0"
-Roots = "0.8.0, 1.0"
+Roots = "0.8.0, 1.0, 2"
 Unitful = "0.15, 0.16, 0.17, 0.18, 1"
 julia = "1.0.0"