diff --git a/Cargo.lock b/Cargo.lock
index c9a580e..f70ea32 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -240,9 +240,9 @@ checksum = "7fe5bd57d1d7414c6b5ed48563a2c855d995ff777729dcd91c369ec7fea395ae"
 
 [[package]]
 name = "serde"
-version = "1.0.137"
+version = "1.0.139"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61ea8d54c77f8315140a05f4c7237403bf38b72704d031543aa1d16abbf517d1"
+checksum = "0171ebb889e45aa68b44aee0859b3eede84c6f5f5c228e6f140c0b2a0a46cad6"
 
 [[package]]
 name = "serde_derive"