diff --git a/metrics-exporter-tcp/Cargo.toml b/metrics-exporter-tcp/Cargo.toml
index 17550a8d..91131131 100644
--- a/metrics-exporter-tcp/Cargo.toml
+++ b/metrics-exporter-tcp/Cargo.toml
@@ -26,7 +26,7 @@ mio = { version = "1.0", default-features = false, features = ["os-poll", "net"]
 tracing = { version = "0.1", default-features = false, features = ["attributes"] }
 
 [build-dependencies]
-prost-build = "0.12"
+prost-build = "0.13"
 home = "0.5.9"
 
 [dev-dependencies]
diff --git a/metrics-observer/Cargo.toml b/metrics-observer/Cargo.toml
index dc0f0c77..9463f0fd 100644
--- a/metrics-observer/Cargo.toml
+++ b/metrics-observer/Cargo.toml
@@ -27,5 +27,5 @@ ratatui = { version = "0.28.0", default-features = false, features = ["crossterm
 chrono = { version = "0.4", default-features = false, features = ["clock"] }
 
 [build-dependencies]
-prost-build = "0.12"
+prost-build = "0.13"
 home = "0.5.9"