diff --git a/Cargo.toml b/Cargo.toml
index 5585ba4..ca17ebc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ futures = "0.3"
 log = "^0.4"
 paho-mqtt = "0.12"
 prost = "0.11"
-prost-types = "0.11"
+prost-types = "0.12"
 serde = "1.0.160"
 serde_derive = "1.0.163"
 serde_json = "^1.0"