diff --git a/Cargo.lock b/Cargo.lock
index ee0542d..dcef764 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -1979,9 +1979,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.35.0"
+version = "1.38.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "841d45b238a16291a4e1584e61820b8ae57d696cc5015c459c229ccc6990cc1c"
+checksum = "68722da18b0fc4a05fdc1120b302b82051265792a1e1b399086e9b204b10ad3d"
 dependencies = [
  "backtrace",
  "bytes",
@@ -1998,9 +1998,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "2.2.0"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b8a1e28f2deaa14e508979454cb3a223b10b938b45af148bc0986de36f1923b"
+checksum = "5f5ae998a069d4b5aba8ee9dad856af7d520c3699e6159b185c2acd48155d39a"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index bacf685..d3128d0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ lto = true # https://doc.rust-lang.org/cargo/reference/profiles.html#lto Big dif
 codegen-units = 1 # This is pretty extreme; eliminates parallel compilation. Makes a difference in binary size.
 
 [dependencies]
-tokio = { version = "1.34", features = ["macros"] }
+tokio = { version = "1.38", features = ["macros"] }
 log = "0.4"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 # NOTE: the following crate is not part of the SDK, but it is maintained by AWS.