diff --git a/Cargo.lock b/Cargo.lock
index a1019df6..fe3b8454 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -178,7 +178,7 @@ dependencies = [
 
 [[package]]
 name = "either"
-version = "1.6.0"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -227,7 +227,7 @@ name = "itertools"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "either 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -381,7 +381,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-deque 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "either 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon-core 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -572,7 +572,7 @@ dependencies = [
 "checksum crossbeam-epoch 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "058ed274caafc1f60c4997b5fc07bf7dc7cca454af7c6e81edffe5f33f70dace"
 "checksum crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
 "checksum deflate 0.8.6 (registry+https://github.com/rust-lang/crates.io-index)" = "73770f8e1fe7d64df17ca66ad28994a0a623ea497fa69486e14984e715c5d174"
-"checksum either 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cd56b59865bce947ac5958779cfa508f6c3b9497cc762b7e24a12d11ccde2c4f"
+"checksum either 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 "checksum glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 "checksum hashbrown 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "00d63df3d41950fb462ed38308eea019113ad1508da725bbedcd0fa5a85ef5f7"
 "checksum hermit-abi 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "3deed196b6e7f9e44a2ae8d94225d80302d81208b1bb673fd21fe634645c85a9"