diff --git a/services/autorust/codegen/Cargo.toml b/services/autorust/codegen/Cargo.toml
index 01b472b584..d119d19016 100644
--- a/services/autorust/codegen/Cargo.toml
+++ b/services/autorust/codegen/Cargo.toml
@@ -12,7 +12,7 @@ autorust_openapi = { path = "../openapi" }
 quote = "1.0"
 proc-macro2 = { version = "1.0", default-features = false }
 serde_json = "1.0"
-serde_yaml = "0.8"
+serde_yaml = "0.9"
 heck = "0.4"
 regex = "1.5"
 indexmap = { version = "1.7", features = ["serde-1"] }
diff --git a/services/autorust/openapi/Cargo.toml b/services/autorust/openapi/Cargo.toml
index 15080dba5a..bb11a8f7d5 100644
--- a/services/autorust/openapi/Cargo.toml
+++ b/services/autorust/openapi/Cargo.toml
@@ -19,5 +19,5 @@ thiserror = "1.0"
 
 [dev-dependencies]
 assert-json-diff = "2.0"
-serde_yaml = "0.8"
+serde_yaml = "0.9"
 camino = "1.0"