diff --git a/Cargo.lock b/Cargo.lock
index 10b88c6d..74885c03 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3325,9 +3325,9 @@ dependencies = [
 
 [[package]]
 name = "prost-build"
-version = "0.11.8"
+version = "0.11.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c828f93f5ca4826f97fedcbd3f9a536c16b12cff3dbbb4a007f932bbad95b12"
+checksum = "119533552c9a7ffacc21e099c24a0ac8bb19c2a2a3f363de84cd9b844feab270"
 dependencies = [
  "bytes",
  "heck 0.4.1",
@@ -3360,9 +3360,9 @@ dependencies = [
 
 [[package]]
 name = "prost-types"
-version = "0.11.8"
+version = "0.11.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "379119666929a1afd7a043aa6cf96fa67a6dce9af60c88095a4686dbce4c9c88"
+checksum = "213622a1460818959ac1181aaeb2dc9c7f63df720db7d788b3e24eacd1983e13"
 dependencies = [
  "prost",
 ]
@@ -4808,9 +4808,9 @@ dependencies = [
 
 [[package]]
 name = "tonic-build"
-version = "0.9.1"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f60a933bbea70c95d633c04c951197ddf084958abaa2ed502a3743bdd8d8dd7"
+checksum = "a6fdaae4c2c638bb70fe42803a26fbd6fc6ac8c72f5c59f67ecc2a2dcabf4b07"
 dependencies = [
  "prettyplease",
  "proc-macro2 1.0.53",
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index 1838ae51..b76b61ac 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -183,7 +183,7 @@ console-subscriber = { version = "0.1.8", optional = true }
 vergen = { version = "7.5.1", default-features = false, features = ["cargo", "git"] }
 
 # test feature lightwalletd-grpc-tests
-tonic-build = { version = "0.9.1", optional = true }
+tonic-build = { version = "0.9.2", optional = true }
 
 [dev-dependencies]
 abscissa_core = { version = "0.5", features = ["testing"] }