diff --git a/Cargo.lock b/Cargo.lock
index 20931ba..f5dfa56 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "async-stream"
@@ -733,18 +733,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.214"
+version = "1.0.218"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f55c3193aca71c12ad7890f1785d2b73e1b9f63a0bbc353c08ef26fe03fc56b5"
+checksum = "e8dfc9d19bdbf6d17e22319da49161d5d0108e4188e8b680aef6299eed22df60"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.214"
+version = "1.0.218"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de523f781f095e28fa605cdce0f8307e451cc0fd14e2eb4cd2e98a355b147766"
+checksum = "f09503e191f4e797cb8aac08e9a4a4695c5edf6a2e70e376d961ddd5c969f82b"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/sns-discord/Cargo.toml b/sns-discord/Cargo.toml
index 6549dc5..5111ea9 100644
--- a/sns-discord/Cargo.toml
+++ b/sns-discord/Cargo.toml
@@ -11,6 +11,6 @@ lambda_runtime = "0.13.0"
 tokio = "1.19.2"
 hyper = { version = "0.14.23", features = ["client", "http2", "http1"] }
 hyper-rustls = "0.23.2"
-serde = "1.0.214"
+serde = "1.0.218"
 serde_json = "1.0.134"
 once_cell = "1.20.1"