diff --git a/Cargo.lock b/Cargo.lock
index 18e0660cb..6b4824e2d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5559,7 +5559,7 @@ dependencies = [
  "bincode",
  "bytemuck",
  "once_cell",
- "parking_lot 0.11.2",
+ "parking_lot 0.12.1",
  "risc0-circuit-rv32im",
  "risc0-zkp",
  "risc0-zkvm",
diff --git a/adapters/risc0/Cargo.toml b/adapters/risc0/Cargo.toml
index 95812f9f1..6499b25ef 100644
--- a/adapters/risc0/Cargo.toml
+++ b/adapters/risc0/Cargo.toml
@@ -21,7 +21,7 @@ risc0-circuit-rv32im = { version = "0.16", optional = true }
 serde = { workspace = true }
 bytemuck = "1.13.1"
 once_cell = { version = "1.7.2", optional = true}
-parking_lot = { version = "0.11.1", optional = true}
+parking_lot = { version = "0.12.1", optional = true}
 zk-cycle-utils = { path = "../../utils/zk-cycle-utils"}
 sov-rollup-interface = { path = "../../rollup-interface" }