diff --git a/Cargo.lock b/Cargo.lock
index 763c0e4445..7625af2f36 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3376,14 +3376,15 @@ dependencies = [
 
 [[package]]
 name = "serde_yaml"
-version = "0.8.26"
+version = "0.9.34+deprecated"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578a7433b776b56a35785ed5ce9a7e777ac0598aac5a6dd1b4b18a307c7fc71b"
+checksum = "6a8b1a1a2ebf674015cc02edccce75287f1a0130d394307b36743c2f5d504b47"
 dependencies = [
- "indexmap 1.9.3",
+ "indexmap 2.2.6",
+ "itoa",
  "ryu",
  "serde",
- "yaml-rust",
+ "unsafe-libyaml",
 ]
 
 [[package]]
@@ -5336,6 +5337,12 @@ version = "0.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
 
+[[package]]
+name = "unsafe-libyaml"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "673aac59facbab8a9007c7f6108d11f63b603f7cabff99fabf650fea5c32b861"
+
 [[package]]
 name = "untrusted"
 version = "0.9.0"
@@ -5720,15 +5727,6 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
-[[package]]
-name = "yaml-rust"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
-dependencies = [
- "linked-hash-map",
-]
-
 [[package]]
 name = "zerocopy"
 version = "0.7.34"
diff --git a/compiler/compiler/Cargo.toml b/compiler/compiler/Cargo.toml
index 5ca8822ca4..6a1e760db7 100644
--- a/compiler/compiler/Cargo.toml
+++ b/compiler/compiler/Cargo.toml
@@ -79,7 +79,7 @@ version = "1.0.203"
 features = [ "derive" ]
 
 [dev-dependencies.serde_yaml]
-version = "0.8.25"
+version = "0.9.34"
 
 [dev-dependencies.tempfile]
 version = "3.10"
diff --git a/compiler/parser/Cargo.toml b/compiler/parser/Cargo.toml
index b539229d0d..483834600a 100644
--- a/compiler/parser/Cargo.toml
+++ b/compiler/parser/Cargo.toml
@@ -61,7 +61,7 @@ version = "1.0"
 features = [ "preserve_order" ]
 
 [dev-dependencies.serde_yaml]
-version = "0.8"
+version = "0.9"
 
 [features]
 default = [ ]
diff --git a/tests/test-framework/Cargo.toml b/tests/test-framework/Cargo.toml
index 87775b3fcb..6410af7b9f 100644
--- a/tests/test-framework/Cargo.toml
+++ b/tests/test-framework/Cargo.toml
@@ -45,7 +45,7 @@ version = "1.0"
 features = [ "preserve_order" ]
 
 [dependencies.serde_yaml]
-version = "0.8"
+version = "0.9"
 
 [dependencies.walkdir]
 version = "2.5"