diff --git a/Cargo.lock b/Cargo.lock
index 4a567f0..5f4274d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1367,9 +1367,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.19.0"
+version = "1.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
+checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
 [[package]]
 name = "oorandom"
diff --git a/Cargo.toml b/Cargo.toml
index 4d97940..8e0ab16 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,7 +58,7 @@ fraction = "0.15.3"
 include_dir = "0.7.4"
 itertools = "0.13.0"
 maplit = "1.0.2"
-once_cell = "1.19.0"
+once_cell = "1.20.2"
 regex = "1.11.0"
 serde = { version = "1.0.210", features = ["derive"] }
 serde_json = "1.0.128"