diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 86ff6d361a4f91f30853590266bde8c4e5a1d9a7..7dd19d6c60a8010f4ec637f2d9b020a18f554b4e 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -9534,6 +9534,17 @@ dependencies = [
  "opaque-debug 0.3.0",
 ]
 
+[[package]]
+name = "sha-1"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "028f48d513f9678cda28f6e4064755b3fbb2af6acd672f2c209b62323f7aea0f"
+dependencies = [
+ "cfg-if 1.0.0",
+ "cpufeatures 0.2.1",
+ "digest 0.10.2",
+]
+
 [[package]]
 name = "sha2"
 version = "0.8.2"
@@ -11060,9 +11071,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-tungstenite"
-version = "0.16.1"
+version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e80b39df6afcc12cdf752398ade96a6b9e99c903dfdc36e53ad10b9c366bca72"
+checksum = "06cda1232a49558c46f8a504d5b93101d42c0bf7f911f12a105ba48168f821ae"
 dependencies = [
  "futures-util",
  "log",
@@ -11324,9 +11335,9 @@ checksum = "5e66dcbec4290c69dd03c57e76c2469ea5c7ce109c6dd4351c13055cf71ea055"
 
 [[package]]
 name = "tungstenite"
-version = "0.16.0"
+version = "0.17.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ad3713a14ae247f22a728a0456a545df14acf3867f905adff84be99e23b3ad1"
+checksum = "d96a2dea40e7570482f28eb57afbe42d97551905da6a9400acc5c328d24004f5"
 dependencies = [
  "base64",
  "byteorder",
@@ -11335,7 +11346,7 @@ dependencies = [
  "httparse",
  "log",
  "rand 0.8.5",
- "sha-1 0.9.8",
+ "sha-1 0.10.0",
  "thiserror",
  "url 2.2.2",
  "utf-8",
diff --git a/polkadot/node/zombienet-backchannel/Cargo.toml b/polkadot/node/zombienet-backchannel/Cargo.toml
index e5ff851d13358210476304c6b0273ad7d4995292..8616c063fd08e57b281a3e4cb3a2d8ca38d0ccaf 100644
--- a/polkadot/node/zombienet-backchannel/Cargo.toml
+++ b/polkadot/node/zombienet-backchannel/Cargo.toml
@@ -11,7 +11,7 @@ publish = false
 [dependencies]
 tokio = { version = "1.17.0", default-features = false, features = ["macros", "net", "rt-multi-thread", "sync"] }
 url = "2.0.0"
-tokio-tungstenite = "0.16"
+tokio-tungstenite = "0.17"
 futures-util = "0.3.21"
 lazy_static = "1.4.0"
 parity-scale-codec = { version = "2.3.1", features = ["derive"] }