diff --git a/Cargo.lock b/Cargo.lock
index 5b4a9eec2..2d03c7dae 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 = "actix-codec"
@@ -948,9 +948,9 @@ checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
 [[package]]
 name = "libc"
-version = "0.2.159"
+version = "0.2.171"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "561d97a539a36e26a9a5fad1ea11a3039a67714694aaa379433e580854bc3dc5"
+checksum = "c19937216e9d3aa9956d9bb8dfc0b0c8beb6058fc4f7a4dc4d850edf86a237d6"
 
 [[package]]
 name = "local-channel"
@@ -1945,9 +1945,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.40.0"
+version = "1.43.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2b070231665d27ad9ec9b8df639893f46727666c6767db40317fbe920a5d998"
+checksum = "492a604e2fd7f814268a378409e6c92b5525d747d10db9a229723f55a417958c"
 dependencies = [
  "backtrace",
  "bytes",
@@ -1963,9 +1963,9 @@ 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/samples/discovery-client/Cargo.toml b/samples/discovery-client/Cargo.toml
index 8b30e161c..b24e42d38 100644
--- a/samples/discovery-client/Cargo.toml
+++ b/samples/discovery-client/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 
 [dependencies]
 pico-args = "0.5"
-tokio = { version = "1.36.0", features = ["full"] }
+tokio = { version = "1.43.1", features = ["full"] }
 
 [dependencies.opcua]
 path = "../../lib"
diff --git a/samples/event-client/Cargo.toml b/samples/event-client/Cargo.toml
index 071fc9369..7eb86156a 100644
--- a/samples/event-client/Cargo.toml
+++ b/samples/event-client/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 
 [dependencies]
 pico-args = "0.5"
-tokio = { version = "1.36.0", features = ["full"] }
+tokio = { version = "1.43.1", features = ["full"] }
 
 [dependencies.opcua]
 path = "../../lib"
diff --git a/samples/mqtt-client/Cargo.toml b/samples/mqtt-client/Cargo.toml
index 1c6111264..8d5aa5b7d 100644
--- a/samples/mqtt-client/Cargo.toml
+++ b/samples/mqtt-client/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 [dependencies]
 pico-args = "0.5"
 rumqttc = "0.23"
-tokio = { version = "1.36.0", features = ["full"] }
+tokio = { version = "1.43.1", features = ["full"] }
 
 [dependencies.opcua]
 path = "../../lib"
diff --git a/samples/simple-client/Cargo.toml b/samples/simple-client/Cargo.toml
index cccafe87c..c51b75584 100644
--- a/samples/simple-client/Cargo.toml
+++ b/samples/simple-client/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 
 [dependencies]
 pico-args = "0.5"
-tokio = { version = "1.36.0", features = ["full"] }
+tokio = { version = "1.43.1", features = ["full"] }
 
 [dependencies.opcua]
 path = "../../lib"