diff --git a/Cargo.toml b/Cargo.toml
index d0a724b..535b5dd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,13 +17,13 @@ experimental = []
 
 [dependencies]
 kube = { version = "0.87", default-features = false, features = ["derive"] }
-k8s-openapi = { version = "0.20", features = ["schemars"] }
+k8s-openapi = { version = "0.21", features = ["schemars"] }
 schemars = { version = "0.8", features = ["derive"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 
 [dev-dependencies.k8s-openapi]
-version = "0.20"
+version = "0.21"
 default-features = false
 features = ["latest"]
 
diff --git a/integration/Cargo.toml b/integration/Cargo.toml
index ad98692..ba515e0 100644
--- a/integration/Cargo.toml
+++ b/integration/Cargo.toml
@@ -6,7 +6,7 @@ license = "Apache-2.0"
 publish = false
 
 [dev-dependencies]
-k8s-openapi = { version = "0.20", features = ["latest"] }
+k8s-openapi = { version = "0.21", features = ["latest"] }
 tokio = { version = "1", features = ["macros", "rt"] }
 tracing = "0.1"
 k8s-gateway-api = { path = ".." }