diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index 156c73f..9cdb1c5 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -1451,9 +1451,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.21.1"
+version = "1.21.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d75b0bedcc4fe52caa0e03d9f1151a323e4aa5e2d78ba3580400cd3c9e2bc4bc"
+checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
 
 [[package]]
 name = "openssl"
diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index d606a9d..d2091ec 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -37,4 +37,4 @@ serde_with = "3.12.0"
 
 [dev-dependencies]
 serial_test = "3.2"
-once_cell = "1.7"
+once_cell = "1.21"