diff --git a/Cargo.lock b/Cargo.lock
index 9626516b..0b59344b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1574,9 +1574,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.19.0"
+version = "1.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
+checksum = "945462a4b81e43c4e3ba96bd7b49d834c6f61198356aa858733bc4acf3cbe62e"
 
 [[package]]
 name = "openssl"
diff --git a/Cargo.toml b/Cargo.toml
index 2d4dd520..a0536aa8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,7 +32,7 @@ libsystemd = "0.7"
 log = "0.4"
 maplit = "1.0"
 num-traits = "0.2"
-once_cell = "1.19.0"
+once_cell = "1.20.3"
 ordered-float = { version = "4.5", features = ["serde"] }
 prometheus = { version = "0.13", default-features = false }
 rand = ">=0.9, < 0.10"