diff --git a/Cargo.lock b/Cargo.lock
index b54934ef1a6d1..651148a8cc1d7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -36,7 +36,7 @@ dependencies = [
 
 [[package]]
 name = "arc-swap"
-version = "0.4.3"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2961,7 +2961,7 @@ name = "signal-hook-registry"
 version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "arc-swap 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arc-swap 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4401,7 +4401,7 @@ dependencies = [
 "checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
 "checksum antidote 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "34fde25430d87a9388dadbe6e34d7f72a462c8b43ac8d309b42b0a8505d7e2a5"
 "checksum approx 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f0e60b75072ecd4168020818c0107f2857bb6c4e64252d8d3983f6263b40a5c3"
-"checksum arc-swap 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "f1a1eca3195b729bbd64e292ef2f5fff6b1c28504fed762ce2b1013dde4d8e92"
+"checksum arc-swap 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "dabe5a181f83789739c194cbe5a897dde195078fac08568d09221fd6137a7ba8"
 "checksum arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0d382e583f07208808f6b1249e60848879ba3543f57c32277bf52d69c2f0f0ee"
 "checksum arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)" = "cd9fd44efafa8690358b7408d253adf110036b88f55672a933f01d616ad9b1b9"
 "checksum assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7deb0a829ca7bcfaf5da70b073a8d128619259a7be8216a355e23f00763059e5"