diff --git a/Cargo.lock b/Cargo.lock
index aad55244..31f69401 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1457,9 +1457,9 @@ checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
 [[package]]
 name = "libc"
-version = "0.2.153"
+version = "0.2.169"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
+checksum = "b5aba8db14291edd000dfcc4d620c7ebfb122c613afb886ca8803fa4e128a20a"
 
 [[package]]
 name = "link-cplusplus"
@@ -2713,9 +2713,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.40.0"
+version = "1.43.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2b070231665d27ad9ec9b8df639893f46727666c6767db40317fbe920a5d998"
+checksum = "3d61fa4ffa3de412bfea335c6ecff681de2b609ba3c77ef3e00e521813a9ed9e"
 dependencies = [
  "backtrace",
  "bytes",
@@ -2730,9 +2730,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "2.4.0"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "693d596312e88961bc67d7f1f97af8a70227d9f90c31bba5806eec004978d752"
+checksum = "6e06d43f1345a3bcd39f6a56dbb7dcab2ba47e68e8ac134855e7e2bdbaf8cab8"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/integration/awskms/Cargo.toml b/integration/awskms/Cargo.toml
index 5e763026..d2302dbc 100644
--- a/integration/awskms/Cargo.toml
+++ b/integration/awskms/Cargo.toml
@@ -20,4 +20,4 @@ rusoto_credential = "^0.48"
 rusoto_kms = "^0.48"
 tink-core = "^0.3"
 # Match the version of tokio required by rusoto_* v0.46.0
-tokio = "^1.16"
+tokio = "^1.43"
diff --git a/integration/gcpkms/Cargo.toml b/integration/gcpkms/Cargo.toml
index 36833a0c..af93fd7f 100644
--- a/integration/gcpkms/Cargo.toml
+++ b/integration/gcpkms/Cargo.toml
@@ -23,5 +23,5 @@ percent-encoding = "^2.3"
 serde = { version = "^1.0", features = ["derive"] }
 serde_json = "^1.0.120"
 tink-core = "^0.3"
-tokio = "^1.16"
+tokio = "^1.43"
 yup-oauth2 = "^5.1"
diff --git a/testing/Cargo.toml b/testing/Cargo.toml
index d16408ed..0d477acf 100644
--- a/testing/Cargo.toml
+++ b/testing/Cargo.toml
@@ -29,7 +29,7 @@ tink-proto = "^0.3"
 tink-signature = "^0.3"
 tink-streaming-aead = "^0.3"
 tink-tests = "^0.3"
-tokio = { version = "^1.16", features = [
+tokio = { version = "^1.43", features = [
   "macros",
   "rt-multi-thread",
   "signal",