diff --git a/Cargo.lock b/Cargo.lock
index e76e29c..d37eb2d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -27,10 +27,26 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
-name = "dtoa"
-version = "0.4.6"
+name = "equivalent"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "134951f4028bdadb9b84baf4232681efbf277da25144b9b0ad65df75946c422b"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "hashbrown"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c6201b9ff9fd90a5a3bac2e56a830d0caa509576f0e503818ee82c181b3437a"
+
+[[package]]
+name = "indexmap"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5477fe2230a79769d8dc68e0eabf5437907c0457a5614a9e8dddb67f65eb65d"
+dependencies = [
+ "equivalent",
+ "hashbrown",
+]
 
 [[package]]
 name = "itoa"
@@ -50,12 +66,6 @@ version = "0.2.147"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
 
-[[package]]
-name = "linked-hash-map"
-version = "0.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8dd5a6d5999d9907cda8ed67bbd137d3af8085216c2ac62de5be860bd41f304a"
-
 [[package]]
 name = "log"
 version = "0.4.20"
@@ -148,14 +158,15 @@ dependencies = [
 
 [[package]]
 name = "serde_yaml"
-version = "0.8.13"
+version = "0.9.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae3e2dd40a7cdc18ca80db804b7f461a39bb721160a85c9a1fa30134bf3c02a5"
+checksum = "1a49e178e4452f45cb61d0cd8cebc1b0fafd3e41929e996cef79aa3aca91f574"
 dependencies = [
- "dtoa",
- "linked-hash-map",
+ "indexmap",
+ "itoa",
+ "ryu",
  "serde",
- "yaml-rust",
+ "unsafe-libyaml",
 ]
 
 [[package]]
@@ -185,6 +196,12 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "301abaae475aa91687eb82514b328ab47a211a533026cb25fc3e519b86adfc3c"
 
+[[package]]
+name = "unsafe-libyaml"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f28467d3e1d3c6586d8f25fa243f544f5800fec42d97032474e17222c2b75cfa"
+
 [[package]]
 name = "vtok_agent"
 version = "0.1.0"
@@ -252,12 +269,3 @@ dependencies = [
  "serde_json",
  "vtok_rpc",
 ]
-
-[[package]]
-name = "yaml-rust"
-version = "0.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39f0c922f1a334134dc2f7a8b67dc5d25f0735263feec974345ff706bcf20b0d"
-dependencies = [
- "linked-hash-map",
-]
diff --git a/src/vtok_agent/Cargo.toml b/src/vtok_agent/Cargo.toml
index e88771a..8aebac9 100644
--- a/src/vtok_agent/Cargo.toml
+++ b/src/vtok_agent/Cargo.toml
@@ -14,7 +14,7 @@ lazy_static = "1.4.0"
 log = { version = "0.4.20", features = ["std"] }
 nix = "0.26"
 serde = { version = "1.0", features = ["derive"] }
-serde_yaml = "0.8"
+serde_yaml = "0.9"
 serde_json = "1.0"
 vtok_common = { path = "../vtok_common" }
 vtok_rpc = { path = "../vtok_rpc" }