diff --git a/Cargo.lock b/Cargo.lock
index b54934ef1a6d1..8592a79dc5ff2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -149,7 +149,7 @@ dependencies = [
  "block-padding 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -493,7 +493,7 @@ name = "crypto-mac"
 version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "subtle 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -586,7 +586,7 @@ name = "digest"
 version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -905,7 +905,7 @@ dependencies = [
 
 [[package]]
 name = "generic-array"
-version = "0.12.3"
+version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4502,7 +4502,7 @@ dependencies = [
 "checksum futures-task 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0bae52d6b29cf440e298856fec3965ee6fa71b06aa7495178615953fd669e5f9"
 "checksum futures-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c0d66274fb76985d3c62c886d1da7ac4c0903a8c9f754e8fe0f35a6a6cc39e76"
 "checksum futures01 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)" = "7ef8cbbf52909170053540c6c05a62433ddb60662dabee714e2a882caa864f22"
-"checksum generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
+"checksum generic-array 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ffdf9f34f1447443d37393cc6c2b8313aebddcd96906caf34e54c68d8e57d7bd"
 "checksum getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "e7db7ca94ed4cd01190ceee0d8a8052f08a247aa1b469a7f68c6a3b71afcf407"
 "checksum ghost 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2a36606a68532b5640dc86bb1f33c64b45c4682aad4c50f3937b317ea387f3d6"
 "checksum git2 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "39f27186fbb5ec67ece9a56990292bc5aed3c3fc51b9b07b0b52446b1dfb4a82"