diff --git a/Cargo.lock b/Cargo.lock
index 747bd57968..cf8a18d544 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1411,7 +1411,7 @@ dependencies = [
  "rustls",
  "termcolor",
  "tokio 0.2.23",
- "tokio-util 0.3.1",
+ "tokio-util 0.6.4",
 ]
 
 [[package]]
@@ -1431,7 +1431,7 @@ dependencies = [
  "serde_derive",
  "tempfile",
  "tokio 0.2.23",
- "tokio-util 0.3.1",
+ "tokio-util 0.6.4",
  "toml 0.5.8",
 ]
 
@@ -1457,7 +1457,7 @@ dependencies = [
  "serde_json",
  "tee",
  "tokio 0.2.23",
- "tokio-util 0.3.1",
+ "tokio-util 0.6.4",
  "url",
 ]
 
@@ -1714,7 +1714,7 @@ dependencies = [
  "thiserror",
  "tokio 0.2.23",
  "tokio-rustls",
- "tokio-util 0.3.1",
+ "tokio-util 0.6.4",
  "toml 0.5.8",
  "url",
  "uuid 0.8.2",
@@ -4337,13 +4337,28 @@ checksum = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
 dependencies = [
  "bytes 0.5.6",
  "futures-core",
- "futures-io",
  "futures-sink",
  "log 0.4.14",
  "pin-project-lite 0.1.7",
  "tokio 0.2.23",
 ]
 
+[[package]]
+name = "tokio-util"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec31e5cc6b46e653cf57762f36f71d5e6386391d88a72fd6db4508f8f676fb29"
+dependencies = [
+ "bytes 1.0.1",
+ "futures-core",
+ "futures-io",
+ "futures-sink",
+ "log 0.4.14",
+ "pin-project-lite 0.2.0",
+ "slab",
+ "tokio 1.2.0",
+]
+
 [[package]]
 name = "toml"
 version = "0.2.1"
diff --git a/components/builder-api-client/Cargo.toml b/components/builder-api-client/Cargo.toml
index f2ae9c6d60..592cfd2b1e 100644
--- a/components/builder-api-client/Cargo.toml
+++ b/components/builder-api-client/Cargo.toml
@@ -24,5 +24,5 @@ serde_derive = "*"
 serde_json = { version = "*", features = [ "preserve_order" ] }
 tee = "*"
 tokio = { version = "^0.2", features = ["full"] }
-tokio-util = "^0.3"
+tokio-util = "^0.6"
 url = "*"
diff --git a/components/sup-client/Cargo.toml b/components/sup-client/Cargo.toml
index 928965e21d..00fc0e406d 100644
--- a/components/sup-client/Cargo.toml
+++ b/components/sup-client/Cargo.toml
@@ -15,4 +15,4 @@ prost = "*"
 rustls = "*"
 termcolor = "*"
 tokio = { version = "^0.2", features = ["full"] }
-tokio-util = { version = "^0.3", features = ["full"] }
+tokio-util = { version = "^0.6", features = ["full"] }
diff --git a/components/sup-protocol/Cargo.toml b/components/sup-protocol/Cargo.toml
index 397c363caf..3fdd7baaff 100644
--- a/components/sup-protocol/Cargo.toml
+++ b/components/sup-protocol/Cargo.toml
@@ -18,7 +18,7 @@ rand = "*"
 serde = "*"
 serde_derive = "*"
 tokio = { version = "^0.2", features = ["full"] }
-tokio-util = { version = "^0.3", features = ["full"] }
+tokio-util = { version = "^0.6", features = ["full"] }
 
 [build-dependencies]
 prost-build = "*"
diff --git a/components/sup/Cargo.toml b/components/sup/Cargo.toml
index deed15fc96..68cef45452 100644
--- a/components/sup/Cargo.toml
+++ b/components/sup/Cargo.toml
@@ -63,7 +63,7 @@ thiserror = "*"
 toml = { version = "*", features = ["preserve_order"]}
 tokio = { version = "^0.2", features = ["full"] }
 tokio-rustls = "^0.14" # Tokio 0.2
-tokio-util = { version = "^0.3", features = ["full"] }
+tokio-util = { version = "^0.6", features = ["full"] }
 url = "*"
 valico = "*"