diff --git a/Cargo.lock b/Cargo.lock
index 1ed06136646..6127d7f4789 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1212,9 +1212,9 @@ dependencies = [
 
 [[package]]
 name = "data-encoding"
-version = "2.5.0"
+version = "2.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e962a19be5cfc3f3bf6dd8f61eb50107f356ad6270fbb3ed41476571db78be5"
+checksum = "2a2330da5de22e8a3cb63252ce2abb30116bf5265e89c0e01bc17015ce30a476"
 
 [[package]]
 name = "data-encoding-macro"
diff --git a/protocols/mdns/Cargo.toml b/protocols/mdns/Cargo.toml
index ef273781b78..90dc4d0b36a 100644
--- a/protocols/mdns/Cargo.toml
+++ b/protocols/mdns/Cargo.toml
@@ -13,7 +13,7 @@ categories = ["network-programming", "asynchronous"]
 [dependencies]
 async-std  = { version = "1.12.0", optional = true }
 async-io  = { version = "2.3.1", optional = true }
-data-encoding = "2.5.0"
+data-encoding = "2.9.0"
 futures = "0.3.30"
 if-watch = "3.2.0"
 libp2p-core = { workspace = true }