diff --git a/src/rust/sumologic-mock/Cargo.lock b/src/rust/sumologic-mock/Cargo.lock
index 9b250d91..7a69c50b 100644
--- a/src/rust/sumologic-mock/Cargo.lock
+++ b/src/rust/sumologic-mock/Cargo.lock
@@ -1184,7 +1184,7 @@ checksum = "984806e6cf27f2b49282e2a05e288f30594f3dbc74eb7a6e99422bc48ed78162"
 dependencies = [
  "opentelemetry",
  "opentelemetry_sdk",
- "prost",
+ "prost 0.12.6",
  "tonic",
 ]
 
@@ -1330,7 +1330,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "deb1435c188b76130da55f17a466d252ff7b1418b2ad3e037d127b94e3411f29"
 dependencies = [
  "bytes",
- "prost-derive",
+ "prost-derive 0.12.6",
+]
+
+[[package]]
+name = "prost"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e13db3d3fde688c61e2446b4d843bc27a7e8af269a69440c0308021dc92333cc"
+dependencies = [
+ "bytes",
+ "prost-derive 0.13.1",
 ]
 
 [[package]]
@@ -1346,6 +1356,19 @@ dependencies = [
  "syn 2.0.52",
 ]
 
+[[package]]
+name = "prost-derive"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18bec9b0adc4eba778b33684b7ba3e7137789434769ee3ce3930463ef904cfca"
+dependencies = [
+ "anyhow",
+ "itertools 0.13.0",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.52",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.35"
@@ -1594,7 +1617,7 @@ dependencies = [
  "log",
  "opentelemetry-proto",
  "prometheus-parse",
- "prost",
+ "prost 0.13.1",
  "rand",
  "serde",
  "serde_json",
@@ -1777,7 +1800,7 @@ dependencies = [
  "hyper-timeout",
  "percent-encoding",
  "pin-project",
- "prost",
+ "prost 0.12.6",
  "tokio",
  "tokio-stream",
  "tower",
diff --git a/src/rust/sumologic-mock/Cargo.toml b/src/rust/sumologic-mock/Cargo.toml
index 3aad2373..ce6be6f9 100644
--- a/src/rust/sumologic-mock/Cargo.toml
+++ b/src/rust/sumologic-mock/Cargo.toml
@@ -23,7 +23,7 @@ json_str = "*"
 rand = "0.8"
 prometheus-parse = { git = "https://github.com/ccakes/prometheus-parse-rs", version = "0.2.4" }
 opentelemetry-proto = { version = "0.6.0", features = ["gen-tonic", "logs", "metrics", "trace"] }
-prost = "0.12.6"
+prost = "0.13.1"
 itertools = "0.13.0"
 log = "0.4.22"
 simple_logger = "5.0.0"