diff --git a/muxers/mplex/Cargo.toml b/muxers/mplex/Cargo.toml
index db60a5f9884..25977b973b7 100644
--- a/muxers/mplex/Cargo.toml
+++ b/muxers/mplex/Cargo.toml
@@ -12,7 +12,7 @@ categories = ["network-programming", "asynchronous"]
 [dependencies]
 bytes = "1"
 futures = "0.3.1"
-asynchronous-codec = "0.5.0"
+asynchronous-codec = "0.6.0"
 libp2p-core = { version = "0.27.0", path = "../../core" }
 log = "0.4"
 nohash-hasher = "0.2"
diff --git a/protocols/gossipsub/Cargo.toml b/protocols/gossipsub/Cargo.toml
index 7f3414c824c..895bfb6e46d 100644
--- a/protocols/gossipsub/Cargo.toml
+++ b/protocols/gossipsub/Cargo.toml
@@ -17,7 +17,7 @@ byteorder = "1.3.4"
 fnv = "1.0.7"
 futures = "0.3.5"
 rand = "0.7.3"
-asynchronous-codec = "0.5"
+asynchronous-codec = "0.6"
 wasm-timer = "0.2.4"
 unsigned-varint = { version = "0.6.0", features = ["asynchronous_codec"] }
 log = "0.4.11"
diff --git a/protocols/kad/Cargo.toml b/protocols/kad/Cargo.toml
index 21ac3a46fee..8d603378021 100644
--- a/protocols/kad/Cargo.toml
+++ b/protocols/kad/Cargo.toml
@@ -14,7 +14,7 @@ arrayvec = "0.5.1"
 bytes = "1"
 either = "1.5"
 fnv = "1.0"
-asynchronous-codec = "0.5"
+asynchronous-codec = "0.6"
 futures = "0.3.1"
 log = "0.4"
 libp2p-core = { version = "0.27.0", path = "../../core" }
diff --git a/transports/plaintext/Cargo.toml b/transports/plaintext/Cargo.toml
index 7749db2e829..679869523f4 100644
--- a/transports/plaintext/Cargo.toml
+++ b/transports/plaintext/Cargo.toml
@@ -12,7 +12,7 @@ categories = ["network-programming", "asynchronous"]
 [dependencies]
 bytes = "1"
 futures = "0.3.1"
-asynchronous-codec = "0.5.0"
+asynchronous-codec = "0.6.0"
 libp2p-core = { version = "0.27.0", path = "../../core" }
 log = "0.4.8"
 prost = "0.7"