diff --git a/Cargo.toml b/Cargo.toml
index 5514ab6..fb4c70c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ dtoa = "1.0"
 itoa = "1.0"
 parking_lot = "0.12"
 prometheus-client-derive-encode = { version = "0.4.1", path = "derive-encode" }
-prost = { version = "0.12.0", optional = true }
+prost = { version = "0.13.3", optional = true }
 prost-types = { version = "0.12.0", optional = true }
 
 [dev-dependencies]