diff --git a/Cargo.toml b/Cargo.toml
index eef8be6e..1812cb4d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ itoa = "1.0"
 parking_lot = "0.12"
 prometheus-client-derive-encode = { version = "0.3.0", path = "derive-encode" }
 prost = { version = "0.9.0", optional = true }
-prost-types = { version = "0.9.0", optional = true }
+prost-types = { version = "0.11.1", optional = true }
 void = { version = "1.0", optional = true }
 
 [dev-dependencies]