diff --git a/Cargo.lock b/Cargo.lock
index 1dc4b80dc133c..8dfb6b1e5965a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5256,7 +5256,7 @@ dependencies = [
  "hex",
  "ordered-float 3.1.0",
  "prost 0.11.0",
- "prost-build 0.11.1",
+ "prost-build 0.11.4",
  "tonic",
  "tonic-build",
  "value",
@@ -5831,7 +5831,7 @@ dependencies = [
  "nom",
  "num_enum",
  "prost 0.11.0",
- "prost-build 0.11.1",
+ "prost-build 0.11.4",
  "prost-types 0.11.1",
  "snafu",
  "value",
@@ -5914,9 +5914,9 @@ dependencies = [
 
 [[package]]
 name = "prost-build"
-version = "0.11.1"
+version = "0.11.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f835c582e6bd972ba8347313300219fed5bfa52caf175298d860b61ff6069bb"
+checksum = "276470f7f281b0ed53d2ae42dd52b4a8d08853a3c70e7fe95882acbb98a6ae94"
 dependencies = [
  "bytes 1.2.1",
  "heck 0.4.0",
@@ -5925,9 +5925,11 @@ dependencies = [
  "log",
  "multimap",
  "petgraph",
+ "prettyplease",
  "prost 0.11.0",
  "prost-types 0.11.1",
  "regex",
+ "syn",
  "tempfile",
  "which",
 ]
@@ -8000,13 +8002,13 @@ dependencies = [
 
 [[package]]
 name = "tonic-build"
-version = "0.8.0"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fbcd2800e34e743b9ae795867d5f77b535d3a3be69fd731e39145719752df8c"
+checksum = "5bf5e9b9c0f7e0a7c027dcfaba7b2c60816c7049171f679d99ee2ff65d0de8c4"
 dependencies = [
  "prettyplease",
  "proc-macro2",
- "prost-build 0.11.1",
+ "prost-build 0.11.4",
  "quote",
  "syn",
 ]
@@ -8816,7 +8818,7 @@ dependencies = [
  "prometheus-parser",
  "proptest",
  "prost 0.11.0",
- "prost-build 0.11.1",
+ "prost-build 0.11.4",
  "prost-types 0.11.1",
  "pulsar",
  "quickcheck",
@@ -9072,7 +9074,7 @@ dependencies = [
  "pretty_assertions",
  "proptest",
  "prost 0.11.0",
- "prost-build 0.11.1",
+ "prost-build 0.11.4",
  "prost-types 0.11.1",
  "quanta",
  "quickcheck",