diff --git a/rust/Cargo.lock b/rust/Cargo.lock
index 23daf0a34..1bcfdf67f 100644
--- a/rust/Cargo.lock
+++ b/rust/Cargo.lock
@@ -3614,14 +3614,15 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.8.11"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4a650543ca06a924e8b371db273b2756685faae30f8487da1b56505a8f78b0c"
+checksum = "4569e456d394deccd22ce1c1913e6ea0e54519f577285001215d33557431afe4"
 dependencies = [
+ "hermit-abi",
  "libc",
  "log",
  "wasi 0.11.0+wasi-snapshot-preview1",
- "windows-sys 0.48.0",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -3949,16 +3950,6 @@ dependencies = [
  "libm",
 ]
 
-[[package]]
-name = "num_cpus"
-version = "1.16.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
-dependencies = [
- "hermit-abi",
- "libc",
-]
-
 [[package]]
 name = "num_enum"
 version = "0.5.11"
@@ -6352,28 +6343,27 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.38.0"
+version = "1.39.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba4f4a02a7a80d6f274636f0aa95c7e383b912d41fe721a31f29e29698585a4a"
+checksum = "daa4fb1bc778bd6f04cbfc4bb2d06a7396a8f299dc33ea1900cedaa316f467b1"
 dependencies = [
  "backtrace",
  "bytes",
  "libc",
  "mio",
- "num_cpus",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
  "socket2",
  "tokio-macros",
- "windows-sys 0.48.0",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
 name = "tokio-macros"
-version = "2.3.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f5ae998a069d4b5aba8ee9dad856af7d520c3699e6159b185c2acd48155d39a"
+checksum = "693d596312e88961bc67d7f1f97af8a70227d9f90c31bba5806eec004978d752"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 803b0c776..86e7b5aa6 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -39,7 +39,7 @@ domain = { version = "0.10", features = ["serde"] }
 dns-lookup = "2.0"
 tokio-tungstenite = "0.21"
 rtnetlink = { version = "0.14.1", default-features = false, features = ["tokio_socket"] }
-tokio = "1.38"
+tokio = "1.39"
 
 connlib-client-android = { path = "connlib/clients/android" }
 connlib-client-apple = { path = "connlib/clients/apple" }
diff --git a/rust/connlib/shared/Cargo.toml b/rust/connlib/shared/Cargo.toml
index 086c54099..b901c0de4 100644
--- a/rust/connlib/shared/Cargo.toml
+++ b/rust/connlib/shared/Cargo.toml
@@ -35,7 +35,7 @@ url = { version = "2.5.2", default-features = false }
 uuid = { version = "1.10", default-features = false, features = ["std", "v4", "serde"] }
 
 [dev-dependencies]
-tokio = { version = "1.38", features = ["macros", "rt"] }
+tokio = { version = "1.39", features = ["macros", "rt"] }
 
 [target.'cfg(any(target_os = "macos", target_os = "ios"))'.dependencies]
 swift-bridge = { workspace = true }
diff --git a/rust/relay/Cargo.toml b/rust/relay/Cargo.toml
index d168862ef..7b35fd38d 100644
--- a/rust/relay/Cargo.toml
+++ b/rust/relay/Cargo.toml
@@ -15,7 +15,7 @@ futures = "0.3.29"
 hex = "0.4.3"
 hex-display = "0.3.0"
 http-health-check = { workspace = true }
-mio = "0.8.11"
+mio = { version = "1.0.1", features = ["net"] }
 once_cell = "1.17.1"
 opentelemetry = { version = "0.24.0", features = ["metrics"] }
 opentelemetry-otlp = { version = "0.17.0", features = ["metrics"] }
diff --git a/rust/socket-factory/Cargo.toml b/rust/socket-factory/Cargo.toml
index 5522c49fe..b9ae869ab 100644
--- a/rust/socket-factory/Cargo.toml
+++ b/rust/socket-factory/Cargo.toml
@@ -8,7 +8,7 @@ async-trait = { version = "0.1", optional = true }
 hickory-proto = { workspace = true, optional = true }
 quinn-udp = { git = "https://github.com/quinn-rs/quinn", branch = "main" }
 socket2 = { workspace = true }
-tokio = { version = "1.38", features = ["net"] }
+tokio = { version = "1.39", features = ["net"] }
 tracing = "0.1"
 
 [features]