diff --git a/Cargo.lock b/Cargo.lock
index a4b72245..a3cf17ab 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -37,7 +37,7 @@ dependencies = [
  "mailparse",
  "maplit",
  "mockito",
- "nix 0.27.1",
+ "nix 0.29.0",
  "openssh-keys",
  "openssl",
  "pnet_base",
@@ -1790,9 +1790,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.128"
+version = "1.0.132"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ff5456707a1de34e7e37f2a6fd3d3f808c318259cbd01ab6377795054b483d8"
+checksum = "d726bfaff4b320266d395898905d0eba0345aae23b54aee3a737e260fd46db03"
 dependencies = [
  "itoa",
  "memchr",