diff --git a/Cargo.lock b/Cargo.lock
index d007eb8..7626e04 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -521,9 +521,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.17.0"
+version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f61fba1741ea2b3d6a1e3178721804bb716a68a6aeba1149b5d52e3d464ea66"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
 [[package]]
 name = "openssl-probe"
diff --git a/sns-discord/Cargo.toml b/sns-discord/Cargo.toml
index 4847d20..3276e72 100644
--- a/sns-discord/Cargo.toml
+++ b/sns-discord/Cargo.toml
@@ -13,4 +13,4 @@ hyper = { version = "0.14.23", features = ["client", "http2", "http1"] }
 hyper-rustls = "0.23.2"
 serde = "1.0.152"
 serde_json = "1.0.91"
-once_cell = "1.17.0"
+once_cell = "1.19.0"