diff --git a/Cargo.lock b/Cargo.lock
index d96d9265..ab54fcbf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -869,7 +869,7 @@ dependencies = [
  "secrecy",
  "serde",
  "serde_json",
- "serde_yaml",
+ "serde_yaml 0.8.26",
  "thiserror",
  "tokio",
  "tokio-native-tls",
@@ -1330,7 +1330,7 @@ dependencies = [
  "semver",
  "serde",
  "serde_json",
- "serde_yaml",
+ "serde_yaml 0.8.26",
  "thiserror",
  "xml-rs",
 ]
@@ -1588,6 +1588,19 @@ dependencies = [
  "yaml-rust",
 ]
 
+[[package]]
+name = "serde_yaml"
+version = "0.9.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f50845f68d5c693aac7d72a25415ddd21cb8182c04eafe447b73af55a05f9e1b"
+dependencies = [
+ "indexmap",
+ "itoa",
+ "ryu",
+ "serde",
+ "unsafe-libyaml",
+]
+
 [[package]]
 name = "sharded-slab"
 version = "0.1.4"
@@ -1659,7 +1672,7 @@ version = "0.5.0-nightly"
 dependencies = [
  "serde",
  "serde_json",
- "serde_yaml",
+ "serde_yaml 0.9.9",
  "snafu",
  "stackable-operator",
  "strum",
@@ -1675,7 +1688,7 @@ dependencies = [
  "fnv",
  "futures 0.3.21",
  "serde",
- "serde_yaml",
+ "serde_yaml 0.9.9",
  "snafu",
  "stackable-airflow-crd",
  "stackable-operator",
@@ -1708,7 +1721,7 @@ dependencies = [
  "schemars",
  "serde",
  "serde_json",
- "serde_yaml",
+ "serde_yaml 0.8.26",
  "stackable-operator-derive",
  "strum",
  "thiserror",
@@ -2138,6 +2151,12 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "957e51f3646910546462e67d5f7599b9e4fb8acdd304b087a6494730f9eebf04"
 
+[[package]]
+name = "unsafe-libyaml"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "931179334a56395bcf64ba5e0ff56781381c1a5832178280c7d7f91d1679aeb0"
+
 [[package]]
 name = "url"
 version = "2.2.2"
diff --git a/rust/crd/Cargo.toml b/rust/crd/Cargo.toml
index 34020355..5475b526 100644
--- a/rust/crd/Cargo.toml
+++ b/rust/crd/Cargo.toml
@@ -15,4 +15,4 @@ stackable-operator = { git = "https://github.com/stackabletech/operator-rs.git",
 strum = { version = "0.24", features = ["derive"] }
 
 [dev-dependencies]
-serde_yaml = "0.8"
+serde_yaml = "0.9"
diff --git a/rust/operator-binary/Cargo.toml b/rust/operator-binary/Cargo.toml
index 7b94a1c2..f74a03ae 100644
--- a/rust/operator-binary/Cargo.toml
+++ b/rust/operator-binary/Cargo.toml
@@ -13,7 +13,7 @@ clap = "3.2"
 fnv = "1.0"
 futures = { version = "0.3", features = ["compat"] }
 serde = "1.0"
-serde_yaml = "0.8"
+serde_yaml = "0.9"
 snafu = "0.7"
 stackable-airflow-crd = { path = "../crd" }
 stackable-operator = { git = "https://github.com/stackabletech/operator-rs.git", tag = "0.22.0" }