diff --git a/simag_core/Cargo.toml b/simag_core/Cargo.toml
index f2a977f..78973cb 100644
--- a/simag_core/Cargo.toml
+++ b/simag_core/Cargo.toml
@@ -18,7 +18,7 @@ nom = "6.1"
 num_cpus = "1.13"
 log = "0.4"
 once_cell = "1.7"
-parking_lot = "0.11"
+parking_lot = "0.12"
 rayon = "1.5"
 serde = { version = "1.0", optional = true, features = ["derive", "rc"] }
 uuid = { version = "0.8", features = ["v4"]}