diff --git a/Cargo.lock b/Cargo.lock
index 7ce9bdc..9f1a113 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1368,9 +1368,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.19.0"
+version = "1.21.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
+checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
 
 [[package]]
 name = "openssl-probe"
diff --git a/Cargo.toml b/Cargo.toml
index cc6cace..f5a2f16 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,6 +35,6 @@ tokio-stream = "0.1.*"
 
 [dev-dependencies]
 rstest = "0.22.0"
-once_cell = "1.19.*"
+once_cell = "1.21.*"
 chrono = "0.4.*"
 rand = "0.8.5"