diff --git a/Cargo.toml b/Cargo.toml
index f53f0283..2efc9db5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -76,7 +76,7 @@ libp2p-mplex = { version = "0.30.0", path = "muxers/mplex", optional = true }
 libp2p-noise = { version = "0.33.0", path = "transports/noise", optional = true }
 libp2p-ping = { version = "0.31.0", path = "protocols/ping", optional = true }
 libp2p-plaintext = { version = "0.30.0", path = "transports/plaintext", optional = true }
-libp2p-pnet = { version = "0.21.0", path = "transports/pnet", optional = true }
+libp2p-pnet = { version = "0.22.0", path = "transports/pnet", optional = true }
 libp2p-relay = { version = "0.4.0", path = "protocols/relay", optional = true }
 libp2p-request-response = { version = "0.13.0", path = "protocols/request-response", optional = true }
 libp2p-swarm = { version = "0.31.0", path = "swarm" }
diff --git a/transports/pnet/CHANGELOG.md b/transports/pnet/CHANGELOG.md
index b70e30c6..b32b95f8 100644
--- a/transports/pnet/CHANGELOG.md
+++ b/transports/pnet/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.22.0 [unreleased]
+
+- Update dependencies.
+
 # 0.21.0 [2021-05-17]
 
 - Update dependencies.
diff --git a/transports/pnet/Cargo.toml b/transports/pnet/Cargo.toml
index 3ed9acfb..7b354c1e 100644
--- a/transports/pnet/Cargo.toml
+++ b/transports/pnet/Cargo.toml
@@ -2,7 +2,7 @@
 name = "libp2p-pnet"
 edition = "2018"
 description = "Private swarm support for libp2p"
-version = "0.21.0"
+version = "0.22.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 license = "MIT"
 repository = "https://github.com/libp2p/rust-libp2p"
@@ -12,7 +12,7 @@ categories = ["network-programming", "asynchronous"]
 [dependencies]
 futures = "0.3.1"
 log = "0.4.8"
-salsa20 = "0.8"
+salsa20 = "0.9"
 sha3 = "0.9"
 rand = "0.7"
 pin-project = "1.0.2"