diff --git a/Cargo.lock b/Cargo.lock
index 61195ba..a539ea7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -84,9 +84,9 @@ 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 = "proc-macro2"
diff --git a/Cargo.toml b/Cargo.toml
index ec07fa8..085d2ca 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ serde-wasm-bindgen = "0.6"
 serde_json = "1.0.128"
 base64 = "0.22.1"
 ring = { version = "0.16.20", features = ["wasm32_c"] }
-once_cell = "1.19.0"
+once_cell = "1.20.2"
 
 [dependencies.web-sys]
 version = "0.3.70"