diff --git a/Cargo.lock b/Cargo.lock
index e5ba50d0f..4a513aae2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -223,13 +223,14 @@ dependencies = [
 
 [[package]]
 name = "async-broadcast"
-version = "0.3.4"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90622698a1218e0b2fb846c97b5f19a0831f6baddee73d9454156365ccfa473b"
+checksum = "1bbd92a9bd0e9c1298118ecf8a2f825e86b12c3ec9e411573e34aaf3a0c03cdd"
 dependencies = [
  "easy-parallel",
  "event-listener",
  "futures-core",
+ "parking_lot 0.11.2",
 ]
 
 [[package]]
@@ -2114,6 +2115,17 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "427c3892f9e783d91cc128285287e70a59e206ca452770ece88a76f7a3eddd72"
 
+[[package]]
+name = "parking_lot"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
+dependencies = [
+ "instant",
+ "lock_api",
+ "parking_lot_core 0.8.5",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.12.0"
@@ -2121,7 +2133,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "87f5ec2493a61ac0506c0f4199f99070cbe83857b0337006a30f3e6719b8ef58"
 dependencies = [
  "lock_api",
- "parking_lot_core",
+ "parking_lot_core 0.9.2",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d76e8e1493bcac0d2766c42737f34458f1c8c50c0d23bcb24ea953affb273216"
+dependencies = [
+ "cfg-if 1.0.0",
+ "instant",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -3095,7 +3121,7 @@ dependencies = [
  "mio 0.8.2",
  "num_cpus",
  "once_cell",
- "parking_lot",
+ "parking_lot 0.12.0",
  "pin-project-lite",
  "signal-hook-registry",
  "socket2",