diff --git a/Cargo.lock b/Cargo.lock
index 95aa6e2..e56a4b4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -286,12 +286,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.20.1"
+version = "1.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82881c4be219ab5faaf2ad5e5e5ecdff8c66bd7402ca3160975c93b24961afd1"
-dependencies = [
- "portable-atomic",
-]
+checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
 [[package]]
 name = "pbjson"
@@ -346,12 +343,6 @@ dependencies = [
  "indexmap 1.9.3",
 ]
 
-[[package]]
-name = "portable-atomic"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc9c68a3f6da06753e9335d63e27f6b9754dd1920d941135b7ea8224f141adb2"
-
 [[package]]
 name = "prettyplease"
 version = "0.2.22"
diff --git a/Cargo.toml b/Cargo.toml
index 3462e4e..06bab46 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ serde = ["dep:pbjson", "dep:pbjson-build", "dep:pbjson-types"]
 
 [dependencies]
 hex = { version = "0.4.3", optional = true }
-once_cell = { version = "1.20.1", optional = true }
+once_cell = { version = "1.20.2", optional = true }
 pbjson = { version = "0.7.0", optional = true }
 pbjson-types = { version = "0.7.0", optional = true }
 prost = "0.13.3"