diff --git a/Cargo.lock b/Cargo.lock
index 1cbaec0..0eddb71 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -396,7 +396,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-channel 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-epoch 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-queue 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -412,11 +412,12 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.7.2"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-epoch 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1681,7 +1682,7 @@ name = "rayon"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon-core 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1691,7 +1692,7 @@ name = "rayon-core"
 version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2236,7 +2237,7 @@ name = "tokio-threadpool"
 version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2521,7 +2522,7 @@ dependencies = [
 "checksum crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ba125de2af0df55319f41944744ad91c71113bf74a4646efff39afe1f6842db1"
 "checksum crossbeam 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "69323bff1fb41c635347b8ead484a5ca6c3f11914d784170b158d8449ab07f8e"
 "checksum crossbeam-channel 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "acec9a3b0b3559f15aee4f90746c4e5e293b701c0f7d3925d24e01645267b68c"
-"checksum crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c3aa945d63861bfe624b55d153a39684da1e8c0bc8fba932f7ee3a3c16cea3ca"
+"checksum crossbeam-deque 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)" = "c20ff29ded3204c5106278a81a38f4b482636ed4fa1e6cfbeef193291beb29ed"
 "checksum crossbeam-epoch 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5064ebdbf05ce3cb95e45c8b086f72263f4166b29b97f6baff7ef7fe047b55ac"
 "checksum crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7c979cd6cfe72335896575c6b5688da489e420d36a27a0b9eb0c73db574b4a4b"
 "checksum crossbeam-queue 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "dfd6515864a82d2f877b42813d4553292c6659498c9a2aa31bab5a15243c2700"