diff --git a/Cargo.toml b/Cargo.toml
index 70bb93d..31563f0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -43,7 +43,7 @@ crate-type=["rlib", "cdylib", "staticlib"]
 
 [dependencies]
 cfg-if = "1.0.0"
-derive_more = { version = "0.99.17", optional = true }
+derive_more = { version = "2.1.1", optional = true }
 hifitime = { version = "3.8.5", default-features = false, optional = true }
 
 [features]