diff --git a/Cargo.lock b/Cargo.lock
index 7fd4f7da..83865864 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3082,9 +3082,9 @@ dependencies = [
 
 [[package]]
 name = "prost"
-version = "0.11.2"
+version = "0.11.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0841812012b2d4a6145fae9a6af1534873c32aa67fff26bd09f8fa42c83f95a"
+checksum = "c0b18e655c21ff5ac2084a5ad0611e827b3f92badf79f4910b5a5c58f4d87ff0"
 dependencies = [
  "bytes",
  "prost-derive",
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index bc045f2d..07eacf9a 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -182,7 +182,7 @@ tokio = { version = "1.22.0", features = ["full", "tracing", "test-util"] }
 tokio-stream = "0.1.11"
 
 # test feature lightwalletd-grpc-tests
-prost = "0.11.2"
+prost = "0.11.3"
 tonic = "0.8.0"
 
 proptest = "0.10.1"