diff --git a/Cargo.toml b/Cargo.toml
index cbd1b68d..807712f5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ documentation = "https://docs.rs/open-metrics-client"
 members = ["derive-text-encode"]
 
 [dependencies]
-dtoa = "0.4"
+dtoa = "1.0"
 itoa = "1.0"
 owning_ref = "0.4"
 open-metrics-client-derive-text-encode = { version = "0.1.1", path = "derive-text-encode" }