diff --git a/Cargo.lock b/Cargo.lock
index b009a44..09bd90e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -366,9 +366,9 @@ 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 = "oorandom"
diff --git a/Cargo.toml b/Cargo.toml
index e487eda..968cf3a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ criterion = "0.5.1"
 serde_json = "1.0.108"
 serde_cbor = "0.11.2"
 petgraph = "0.6.4"
-once_cell = "1.8.0"
+once_cell = "1.19.0"
 rayon = "1.8.0"
 
 [[bench]]