diff --git a/Cargo.lock b/Cargo.lock
index ce9e6d92c79c3..b24dd98b5557b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -648,7 +648,7 @@ dependencies = [
  "aws-http",
  "aws-sdk-sso",
  "aws-sdk-sts",
- "aws-smithy-async",
+ "aws-smithy-async 0.51.0",
  "aws-smithy-client",
  "aws-smithy-http 0.51.0",
  "aws-smithy-http-tower 0.51.0",
@@ -708,7 +708,7 @@ dependencies = [
  "aws-endpoint",
  "aws-http",
  "aws-sig-auth",
- "aws-smithy-async",
+ "aws-smithy-async 0.51.0",
  "aws-smithy-client",
  "aws-smithy-http 0.51.0",
  "aws-smithy-http-tower 0.51.0",
@@ -731,7 +731,7 @@ dependencies = [
  "aws-endpoint",
  "aws-http",
  "aws-sig-auth",
- "aws-smithy-async",
+ "aws-smithy-async 0.51.0",
  "aws-smithy-client",
  "aws-smithy-http 0.51.0",
  "aws-smithy-http-tower 0.51.0",
@@ -753,7 +753,7 @@ dependencies = [
  "aws-endpoint",
  "aws-http",
  "aws-sig-auth",
- "aws-smithy-async",
+ "aws-smithy-async 0.51.0",
  "aws-smithy-client",
  "aws-smithy-http 0.51.0",
  "aws-smithy-http-tower 0.51.0",
@@ -775,7 +775,7 @@ dependencies = [
  "aws-endpoint",
  "aws-http",
  "aws-sig-auth",
- "aws-smithy-async",
+ "aws-smithy-async 0.51.0",
  "aws-smithy-client",
  "aws-smithy-http 0.51.0",
  "aws-smithy-http-tower 0.51.0",
@@ -796,7 +796,7 @@ dependencies = [
  "aws-endpoint",
  "aws-http",
  "aws-sig-auth",
- "aws-smithy-async",
+ "aws-smithy-async 0.51.0",
  "aws-smithy-client",
  "aws-smithy-http 0.51.0",
  "aws-smithy-http-tower 0.51.0",
@@ -819,7 +819,7 @@ dependencies = [
  "aws-http",
  "aws-sig-auth",
  "aws-sigv4 0.51.0",
- "aws-smithy-async",
+ "aws-smithy-async 0.51.0",
  "aws-smithy-checksums",
  "aws-smithy-client",
  "aws-smithy-eventstream",
@@ -846,7 +846,7 @@ dependencies = [
  "aws-endpoint",
  "aws-http",
  "aws-sig-auth",
- "aws-smithy-async",
+ "aws-smithy-async 0.51.0",
  "aws-smithy-client",
  "aws-smithy-http 0.51.0",
  "aws-smithy-http-tower 0.51.0",
@@ -869,7 +869,7 @@ dependencies = [
  "aws-endpoint",
  "aws-http",
  "aws-sig-auth",
- "aws-smithy-async",
+ "aws-smithy-async 0.51.0",
  "aws-smithy-client",
  "aws-smithy-http 0.51.0",
  "aws-smithy-http-tower 0.51.0",
@@ -891,7 +891,7 @@ dependencies = [
  "aws-endpoint",
  "aws-http",
  "aws-sig-auth",
- "aws-smithy-async",
+ "aws-smithy-async 0.51.0",
  "aws-smithy-client",
  "aws-smithy-http 0.51.0",
  "aws-smithy-http-tower 0.51.0",
@@ -969,6 +969,18 @@ dependencies = [
  "tokio-stream",
 ]
 
+[[package]]
+name = "aws-smithy-async"
+version = "0.56.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ee6d17d487c8b579423067718b3580c0908d0f01d7461813f94ec4323bad623"
+dependencies = [
+ "futures-util",
+ "pin-project-lite",
+ "tokio",
+ "tokio-stream",
+]
+
 [[package]]
 name = "aws-smithy-checksums"
 version = "0.51.0"
@@ -996,7 +1008,7 @@ version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff28d553714f8f54cd921227934fc13a536a1c03f106e56b362fd57e16d450ad"
 dependencies = [
- "aws-smithy-async",
+ "aws-smithy-async 0.51.0",
  "aws-smithy-http 0.51.0",
  "aws-smithy-http-tower 0.51.0",
  "aws-smithy-types 0.51.0",
@@ -1187,7 +1199,7 @@ version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "05701d32da168b44f7ee63147781aed8723e792cc131cb9b18363b5393f17f70"
 dependencies = [
- "aws-smithy-async",
+ "aws-smithy-async 0.51.0",
  "aws-smithy-client",
  "aws-smithy-http 0.51.0",
  "aws-smithy-types 0.51.0",
@@ -9120,7 +9132,7 @@ dependencies = [
  "aws-sdk-s3",
  "aws-sdk-sqs",
  "aws-sigv4 0.55.3",
- "aws-smithy-async",
+ "aws-smithy-async 0.56.0",
  "aws-smithy-client",
  "aws-smithy-http 0.51.0",
  "aws-smithy-http-tower 0.54.4",
diff --git a/Cargo.toml b/Cargo.toml
index de6bdc4cb2552..f1327623b31e7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -168,7 +168,7 @@ aws-sdk-kinesis = { version = "0.21.0", default-features = false, features = ["n
 aws-types = { version = "0.51.0", default-features = false, features = ["hardcoded-credentials"], optional = true }
 aws-sigv4 = { version = "0.55.3", default-features = false, features = ["sign-http"], optional = true }
 aws-config = { version = "0.51.0", default-features = false, features = ["native-tls"], optional = true }
-aws-smithy-async = { version = "0.51.0", default-features = false, optional = true }
+aws-smithy-async = { version = "0.56.0", default-features = false, optional = true }
 aws-smithy-client = { version = "0.51.0", default-features = false, features = ["client-hyper"], optional = true}
 aws-smithy-http = { version = "0.51.0", default-features = false, features = ["event-stream"], optional = true }
 aws-smithy-http-tower = { version = "0.54.4", default-features = false, optional = true }