diff --git a/Cargo.lock b/Cargo.lock
index c9a580e..e56e970 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -246,9 +246,9 @@ checksum = "61ea8d54c77f8315140a05f4c7237403bf38b72704d031543aa1d16abbf517d1"
 
 [[package]]
 name = "serde_derive"
-version = "1.0.137"
+version = "1.0.139"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f26faba0c3959972377d3b2d306ee9f71faee9714294e41bb777f83f88578be"
+checksum = "dc1d3230c1de7932af58ad8ffbe1d784bd55efd5a9d84ac24f69c72d83543dfb"
 dependencies = [
  "proc-macro2",
  "quote",