diff --git a/Cargo.lock b/Cargo.lock
index 25c6e0550e..f6b6b1429d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -857,7 +857,7 @@ dependencies = [
  "httpdate",
  "itoa",
  "pin-project-lite",
- "socket2 0.4.9",
+ "socket2 0.4.10",
  "tokio",
  "tower-service",
  "tracing",
@@ -956,7 +956,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "723519edce41262b05d4143ceb95050e4c614f483e78e9fd9e39a8275a84ad98"
 dependencies = [
- "socket2 0.4.9",
+ "socket2 0.4.10",
  "widestring",
  "winapi",
  "winreg",
@@ -1267,7 +1267,7 @@ dependencies = [
  "regex",
  "rustls-pemfile",
  "serde_json",
- "socket2 0.4.9",
+ "socket2 0.5.5",
  "tokio",
  "tokio-rustls",
  "tokio-stream",
@@ -1962,7 +1962,7 @@ dependencies = [
  "linkerd-error",
  "linkerd-io",
  "linkerd-stack",
- "socket2 0.4.9",
+ "socket2 0.5.5",
  "thiserror",
  "tokio",
  "tokio-stream",
@@ -3075,9 +3075,9 @@ checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
 [[package]]
 name = "socket2"
-version = "0.4.9"
+version = "0.4.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64a4a911eed85daf18834cfaa86a79b7d266ff93ff5ba14005426219480ed662"
+checksum = "9f7916fc008ca5542385b89a3d3ce689953c143e9304a9bf8beec1de48994c0d"
 dependencies = [
  "libc",
  "winapi",
diff --git a/linkerd/app/integration/Cargo.toml b/linkerd/app/integration/Cargo.toml
index f6b54a9bc6..a209eecd6d 100644
--- a/linkerd/app/integration/Cargo.toml
+++ b/linkerd/app/integration/Cargo.toml
@@ -42,7 +42,7 @@ linkerd-tracing = { path = "../../tracing" }
 maplit = "1"
 parking_lot = "0.12"
 regex = "1"
-socket2 = "0.4"
+socket2 = "0.5"
 tokio = { version = "1", features = ["io-util", "net", "rt", "macros"] }
 tokio-stream = { version = "0.1", features = ["sync"] }
 tokio-rustls = "0.24"
diff --git a/linkerd/proxy/transport/Cargo.toml b/linkerd/proxy/transport/Cargo.toml
index c7f867380b..5d8c7e2952 100644
--- a/linkerd/proxy/transport/Cargo.toml
+++ b/linkerd/proxy/transport/Cargo.toml
@@ -14,7 +14,7 @@ futures = { version = "0.3", default-features = false }
 linkerd-error = { path = "../../error" }
 linkerd-io = { path = "../../io" }
 linkerd-stack = { path = "../../stack" }
-socket2 = "0.4"
+socket2 = "0.5"
 thiserror = "1"
 tokio = { version = "1", features = ["macros", "net"] }
 tokio-stream = { version = "0.1", features = ["net"] }