diff --git a/Cargo.lock b/Cargo.lock
index 1d497ca..d69fa1f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1437,9 +1437,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.18.0"
+version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
 [[package]]
 name = "onig"
diff --git a/Cargo.toml b/Cargo.toml
index f266719..5442137 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ argh = "0.1"
 log = "0.4"
 pretty_env_logger = "0.5"
 linked-hash-map = "0.5"
-once_cell = "1.14"
+once_cell = "1.19"
 parking_lot = "0.12"
 bytes = { version = "1.2", features = ["serde"] }
 serde = { version = "1.0", features = ["derive"] }