diff --git a/Cargo.lock b/Cargo.lock
index 59a11ae6..26fa3e6c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3315,9 +3315,9 @@ dependencies = [
 
 [[package]]
 name = "prost"
-version = "0.11.8"
+version = "0.11.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e48e50df39172a3e7eb17e14642445da64996989bc212b583015435d39a58537"
+checksum = "0b82eaa1d779e9a4bc1c3217db8ffbeabaae1dca241bf70183242128d48681cd"
 dependencies = [
  "bytes",
  "prost-derive",
@@ -3347,9 +3347,9 @@ dependencies = [
 
 [[package]]
 name = "prost-derive"
-version = "0.11.8"
+version = "0.11.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ea9b0f8cbe5e15a8a042d030bd96668db28ecb567ec37d691971ff5731d2b1b"
+checksum = "e5d2d8d10f3c6ded6da8b05b5fb3b8a5082514344d56c9f871412d29b4e075b4"
 dependencies = [
  "anyhow",
  "itertools",
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index 6c4b4ea6..59e17325 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -204,7 +204,7 @@ tokio = { version = "1.27.0", features = ["full", "tracing", "test-util"] }
 tokio-stream = "0.1.12"
 
 # test feature lightwalletd-grpc-tests
-prost = "0.11.8"
+prost = "0.11.9"
 tonic = "0.9.1"
 
 proptest = "1.1.0"