diff --git a/Cargo.lock b/Cargo.lock
index a3d1141..8b6f622 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -97,8 +97,8 @@ dependencies = [
  "prost",
  "prost-build",
  "prost-types",
- "prost-wkt",
- "prost-wkt-build",
+ "prost-wkt 0.3.4",
+ "prost-wkt-build 0.3.4",
  "prost-wkt-types",
  "serde",
  "serde_json",
@@ -272,9 +272,9 @@ dependencies = [
 
 [[package]]
 name = "prost"
-version = "0.11.2"
+version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0841812012b2d4a6145fae9a6af1534873c32aa67fff26bd09f8fa42c83f95a"
+checksum = "21dc42e00223fc37204bd4aa177e69420c604ca4a183209a8f9de30c6d934698"
 dependencies = [
  "bytes",
  "prost-derive",
@@ -282,9 +282,9 @@ dependencies = [
 
 [[package]]
 name = "prost-build"
-version = "0.11.2"
+version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d8b442418ea0822409d9e7d047cbf1e7e9e1760b172bf9982cf29d517c93511"
+checksum = "a3f8ad728fb08fe212df3c05169e940fbb6d9d16a877ddde14644a983ba2012e"
 dependencies = [
  "bytes",
  "heck",
@@ -304,9 +304,9 @@ dependencies = [
 
 [[package]]
 name = "prost-derive"
-version = "0.11.0"
+version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7345d5f0e08c0536d7ac7229952590239e77abf0a0100a1b1d890add6ea96364"
+checksum = "8bda8c0881ea9f722eb9629376db3d0b903b462477c1aafcb0566610ac28ac5d"
 dependencies = [
  "anyhow",
  "itertools",
@@ -317,9 +317,9 @@ dependencies = [
 
 [[package]]
 name = "prost-types"
-version = "0.11.2"
+version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "747761bc3dc48f9a34553bf65605cf6cb6288ba219f3450b4275dbd81539551a"
+checksum = "a5e0526209433e96d83d750dd81a99118edbc55739e7e61a46764fd2ad537788"
 dependencies = [
  "bytes",
  "prost",
@@ -341,6 +341,21 @@ dependencies = [
  "typetag",
 ]
 
+[[package]]
+name = "prost-wkt"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81d27933a63f4fa7586c2eac76179e7a9b782a7165aa309028adbec626a33100"
+dependencies = [
+ "chrono",
+ "inventory",
+ "prost",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "typetag",
+]
+
 [[package]]
 name = "prost-wkt-build"
 version = "0.3.4"
@@ -354,18 +369,31 @@ dependencies = [
  "quote",
 ]
 
+[[package]]
+name = "prost-wkt-build"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edf268948bef41c2f9bb879e8868c155412d28d6ba4295c5b8d6d6639e47f9cf"
+dependencies = [
+ "heck",
+ "prost",
+ "prost-build",
+ "prost-types",
+ "quote",
+]
+
 [[package]]
 name = "prost-wkt-types"
-version = "0.3.3"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "80f4a140ce5843eeb9c234883f2acec37dcf41f1a418fbb7bd8ad0cacc70d4d0"
+checksum = "4e240034fe46986ab9f84d669ed9bd46ad0c6adb8777ef28f5c44b94b43a3743"
 dependencies = [
  "chrono",
  "prost",
  "prost-build",
  "prost-types",
- "prost-wkt",
- "prost-wkt-build",
+ "prost-wkt 0.4.0",
+ "prost-wkt-build 0.4.0",
  "regex",
  "serde",
  "serde_derive",
diff --git a/Cargo.toml b/Cargo.toml
index 6eae72d..b2e9413 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ license-file = "LICENSE"
 prost = { version = "0.11", features = ["prost-derive"] }
 prost-types = "0.11"
 prost-wkt = "0.3.4"
-prost-wkt-types = "0.3.3"
+prost-wkt-types = "0.4.0"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 chrono = { version = "0.4", features = ["serde"] }