diff --git a/Cargo.lock b/Cargo.lock
index 4d91d5d1ea2..b11d8803271 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -182,15 +182,15 @@ dependencies = [
 
 [[package]]
 name = "async-tungstenite"
-version = "0.7.1"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2760f968801f873112e651c5a9c3b60c11ae6d66e7ca3f2d51aafbfcef9495fa"
+checksum = "9ce503a5cb1e7450af7d211b86b84807791b251f335b2f43f1e26b85a416f315"
 dependencies = [
  "futures-io",
  "futures-util",
  "log",
  "openssl",
- "pin-project 0.4.22",
+ "pin-project",
  "tokio 0.2.21",
  "tokio-openssl 0.4.0",
  "tungstenite",
@@ -1928,7 +1928,7 @@ dependencies = [
  "futures-sink",
  "futures-task",
  "memchr",
- "pin-project 1.0.2",
+ "pin-project",
  "pin-utils",
  "proc-macro-hack",
  "proc-macro-nested",
@@ -4609,33 +4609,13 @@ dependencies = [
  "siphasher",
 ]
 
-[[package]]
-name = "pin-project"
-version = "0.4.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12e3a6cdbfe94a5e4572812a0201f8c0ed98c1c452c7b8563ce2276988ef9c17"
-dependencies = [
- "pin-project-internal 0.4.22",
-]
-
 [[package]]
 name = "pin-project"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ccc2237c2c489783abd8c4c80e5450fc0e98644555b1364da68cc29aa151ca7"
 dependencies = [
- "pin-project-internal 1.0.2",
-]
-
-[[package]]
-name = "pin-project-internal"
-version = "0.4.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a0ffd45cf79d88737d7cc85bfd5d2894bee1139b356e616fe85dc389c61aaf7"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "pin-project-internal",
 ]
 
 [[package]]
diff --git a/components/net/Cargo.toml b/components/net/Cargo.toml
index dbdeffbbd97..9bca5e1435b 100644
--- a/components/net/Cargo.toml
+++ b/components/net/Cargo.toml
@@ -16,7 +16,7 @@ doctest = false
 
 [dependencies]
 async-recursion = "0.3.2"
-async-tungstenite = { version = "0.7.1", features = ["tokio-openssl"] }
+async-tungstenite = { version = "0.9", features = ["tokio-openssl"] }
 base64 = "0.10.1"
 brotli = "3"
 bytes = "0.4"
@@ -60,7 +60,7 @@ servo_config = { path = "../config" }
 servo_url = { path = "../url" }
 time = "0.1.41"
 tokio = "0.1"
-tokio2 = { version = "0.2", package = "tokio", features = ["sync", "macros", "rt-threaded"] }
+tokio2 = { version = "0.2", package = "tokio", features = ["sync", "macros", "rt-threaded", "tcp"] }
 tokio-compat = "0.1"
 tungstenite = "0.11"
 url = "2.0"