diff --git a/Cargo.lock b/Cargo.lock
index 43e8206..530f595 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -350,7 +350,7 @@ dependencies = [
 
 [[package]]
 name = "ring"
-version = "0.16.14"
+version = "0.16.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.54 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -683,7 +683,7 @@ dependencies = [
  "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "privdrop 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.16.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.16.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.112 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.112 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.8.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -845,7 +845,7 @@ dependencies = [
 "checksum rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
 "checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 "checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
-"checksum ring 0.16.14 (registry+https://github.com/rust-lang/crates.io-index)" = "06b3fefa4f12272808f809a0af618501fdaba41a58963c5fb72238ab0be09603"
+"checksum ring 0.16.15 (registry+https://github.com/rust-lang/crates.io-index)" = "952cd6b98c85bbc30efa1ba5783b8abf12fec8b3287ffa52605b9432313e34e4"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 "checksum ryu 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"