diff --git a/native/wasmex/Cargo.lock b/native/wasmex/Cargo.lock
index 5bce985..b02a4f4 100644
--- a/native/wasmex/Cargo.lock
+++ b/native/wasmex/Cargo.lock
@@ -984,9 +984,12 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.19.0"
+version = "1.20.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
+checksum = "82881c4be219ab5faaf2ad5e5e5ecdff8c66bd7402ca3160975c93b24961afd1"
+dependencies = [
+ "portable-atomic",
+]
 
 [[package]]
 name = "paste"
@@ -1018,6 +1021,12 @@ version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
 
+[[package]]
+name = "portable-atomic"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc9c68a3f6da06753e9335d63e27f6b9754dd1920d941135b7ea8224f141adb2"
+
 [[package]]
 name = "postcard"
 version = "1.0.8"
diff --git a/native/wasmex/Cargo.toml b/native/wasmex/Cargo.toml
index b200282..38d3752 100644
--- a/native/wasmex/Cargo.toml
+++ b/native/wasmex/Cargo.toml
@@ -16,7 +16,7 @@ crate-type = ["dylib"]
 
 [dependencies]
 rustler = { version = "0.34", features = ["big_integer"] }
-once_cell = "1.19.0"
+once_cell = "1.20.1"
 rand = "0.8.5"
 wasmtime = "24.0.0"
 wasmtime-wasi = "24.0.0"