diff --git "a/\354\206\220\354\240\225\354\232\260/2020-03/2020-03-18/chat_client/Cargo.lock" "b/\354\206\220\354\240\225\354\232\260/2020-03/2020-03-18/chat_client/Cargo.lock"
index ccfaebb0..2922a8d9 100644
--- "a/\354\206\220\354\240\225\354\232\260/2020-03/2020-03-18/chat_client/Cargo.lock"
+++ "b/\354\206\220\354\240\225\354\232\260/2020-03/2020-03-18/chat_client/Cargo.lock"
@@ -1,10 +1,12 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "arc-swap"
-version = "0.4.4"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7b8a9123b8027467bce0099fe556c628a53c8d83df0507084c31e9ba2e39aff"
+checksum = "dabe5a181f83789739c194cbe5a897dde195078fac08568d09221fd6137a7ba8"
 
 [[package]]
 name = "bitflags"