1diff --git a/impl/Cargo.lock b/impl/Cargo.lock
2index 0c963206..7db3432f 100644
3--- a/Cargo.lock
4+++ b/Cargo.lock
5@@ -1957,9 +1957,9 @@ dependencies = [
6
7 [[package]]
8 name = "rustc-serialize"
9-version = "0.3.24"
10+version = "0.3.25"
11 source = "registry+https://github.com/rust-lang/crates.io-index"
12-checksum = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
13+checksum = "fe834bc780604f4674073badbad26d7219cadfb4a2275802db12cbae17498401"
14
15 [[package]]
16 name = "ryu"
17diff --git a/impl/Cargo.toml b/impl/Cargo.toml
18index 9dd6dd99..a559febf 100644
19--- a/Cargo.toml
20+++ b/Cargo.toml
21@@ -38,7 +38,7 @@ itertools = "0.10.0"
22 log = "0.4.13"
23 pathdiff = "0.2.0"
24 regex = "1.5.5"
25-rustc-serialize = "0.3.24"
26+rustc-serialize = "0.3.25"
27 semver = { version = "1", features = ["serde"] }
28 serde = "1.0.120"
29 serde_derive = "1.0.120"