diff --git a/Cargo.lock b/Cargo.lock
index 7d74f07..ad71ec9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -67,7 +67,7 @@ dependencies = [
  "aws-credential-types",
  "aws-http",
  "aws-sdk-sts",
- "aws-smithy-async",
+ "aws-smithy-async 0.56.1",
  "aws-smithy-client",
  "aws-smithy-http",
  "aws-smithy-http-tower",
@@ -90,7 +90,7 @@ version = "0.56.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "70a66ac8ef5fa9cf01c2d999f39d16812e90ec1467bd382cbbb74ba23ea86201"
 dependencies = [
- "aws-smithy-async",
+ "aws-smithy-async 0.56.1",
  "aws-smithy-types",
  "fastrand",
  "tokio",
@@ -126,7 +126,7 @@ dependencies = [
  "aws-credential-types",
  "aws-http",
  "aws-sigv4",
- "aws-smithy-async",
+ "aws-smithy-async 0.56.1",
  "aws-smithy-eventstream",
  "aws-smithy-http",
  "aws-smithy-runtime-api",
@@ -149,7 +149,7 @@ dependencies = [
  "aws-http",
  "aws-runtime",
  "aws-sigv4",
- "aws-smithy-async",
+ "aws-smithy-async 0.56.1",
  "aws-smithy-checksums",
  "aws-smithy-client",
  "aws-smithy-eventstream",
@@ -180,7 +180,7 @@ dependencies = [
  "aws-credential-types",
  "aws-http",
  "aws-runtime",
- "aws-smithy-async",
+ "aws-smithy-async 0.56.1",
  "aws-smithy-client",
  "aws-smithy-http",
  "aws-smithy-json",
@@ -228,6 +228,17 @@ dependencies = [
  "tokio-stream",
 ]
 
+[[package]]
+name = "aws-smithy-async"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62220bc6e97f946ddd51b5f1361f78996e704677afc518a4ff66b7a72ea1378c"
+dependencies = [
+ "futures-util",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "aws-smithy-checksums"
 version = "0.56.1"
@@ -255,7 +266,7 @@ version = "0.56.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c27b2756264c82f830a91cb4d2d485b2d19ad5bea476d9a966e03d27f27ba59a"
 dependencies = [
- "aws-smithy-async",
+ "aws-smithy-async 0.56.1",
  "aws-smithy-http",
  "aws-smithy-http-tower",
  "aws-smithy-types",
@@ -342,7 +353,7 @@ version = "0.56.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "745e096b3553e7e0f40622aa04971ce52765af82bebdeeac53aa6fc82fe801e6"
 dependencies = [
- "aws-smithy-async",
+ "aws-smithy-async 0.56.1",
  "aws-smithy-client",
  "aws-smithy-http",
  "aws-smithy-runtime-api",
@@ -364,7 +375,7 @@ version = "0.56.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "93d0ae0c9cfd57944e9711ea610b48a963fb174a53aabacc08c5794a594b1d02"
 dependencies = [
- "aws-smithy-async",
+ "aws-smithy-async 0.56.1",
  "aws-smithy-http",
  "aws-smithy-types",
  "bytes",
@@ -403,7 +414,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "85aa0451bf8af1bf22a4f028d5d28054507a14be43cb8ac0597a8471fba9edfe"
 dependencies = [
  "aws-credential-types",
- "aws-smithy-async",
+ "aws-smithy-async 0.56.1",
  "aws-smithy-client",
  "aws-smithy-http",
  "aws-smithy-types",
@@ -1057,7 +1068,7 @@ dependencies = [
  "aws-config",
  "aws-credential-types",
  "aws-sdk-s3",
- "aws-smithy-async",
+ "aws-smithy-async 1.2.1",
  "aws-smithy-http",
  "aws-smithy-types",
  "aws-types",
diff --git a/Cargo.toml b/Cargo.toml
index 4fcf61a..0f05c01 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,7 +53,7 @@ url = "2.5.0"
 aws-config = { version = "0.56.1", default-features = false, optional = true }
 aws-credential-types = { version = "0.56.1", features = ["hardcoded-credentials"], optional = true }
 aws-sdk-s3 = { version = "0.31.1", default-features = false, optional = true }
-aws-smithy-async = { version = "0.56.1", optional = true }
+aws-smithy-async = { version = "1.2.1", optional = true }
 aws-smithy-http = { version = "0.56.1", features = ["event-stream"], optional = true }
 aws-smithy-types = { version = "0.56.1", optional = true }
 aws-types = { version = "0.56.1", default-features = false, optional = true }