diff --git a/Cargo.lock b/Cargo.lock
index b0b34d6..3c9375d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1624,9 +1624,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.14.0"
+version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f7254b99e31cad77da24b08ebf628882739a608578bb1bcdfc1f9c21260d7c0"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
 [[package]]
 name = "opaque-debug"
diff --git a/Cargo.toml b/Cargo.toml
index 7a2d901..eec5e4a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,7 +42,7 @@ serde_json = "1"
 actix-web-lab = "0.17.0"
 
 [dev-dependencies]
-once_cell = "1.14.0"
+once_cell = "1.19.0"
 claim = "0.5.0"
 quickcheck = "0.9.2"
 quickcheck_macros = "1.0.0"