diff --git a/Cargo.toml b/Cargo.toml
index f93c3463b..7ce3bf89e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,6 @@
 [workspace]
 default-members = ["kube"]
+resolver = "1"
 members = [
   "kube",
   "kube-client",
diff --git a/kube-client/src/client/auth/oidc.rs b/kube-client/src/client/auth/oidc.rs
index 77a211fae..ed2906135 100644
--- a/kube-client/src/client/auth/oidc.rs
+++ b/kube-client/src/client/auth/oidc.rs
@@ -152,7 +152,7 @@ pub struct Oidc {
 
 impl Oidc {
     /// Config key for the ID token.
-    const CONFIG_ID_TOKEN: &str = "id-token";
+    const CONFIG_ID_TOKEN: &'static str = "id-token";
     /// How many seconds before ID token expiration we want to refresh it.
     const EXPIRY_DELTA_SECONDS: i64 = 10;
 
@@ -278,13 +278,13 @@ struct Refresher {
 
 impl Refresher {
     /// Config key for the client ID.
-    const CONFIG_CLIENT_ID: &str = "client-id";
+    const CONFIG_CLIENT_ID: &'static str = "client-id";
     /// Config key for the client secret.
-    const CONFIG_CLIENT_SECRET: &str = "client-secret";
+    const CONFIG_CLIENT_SECRET: &'static str = "client-secret";
     /// Config key for the issuer url.
-    const CONFIG_ISSUER_URL: &str = "idp-issuer-url";
+    const CONFIG_ISSUER_URL: &'static str = "idp-issuer-url";
     /// Config key for the refresh token.
-    const CONFIG_REFRESH_TOKEN: &str = "refresh-token";
+    const CONFIG_REFRESH_TOKEN: &'static str = "refresh-token";
 
     /// Create a new instance of this struct from the provider config.
     fn from_config(config: &HashMap<String, String>) -> Result<Self, errors::RefreshInitError> {
diff --git a/kube/src/mock_tests.rs b/kube/src/mock_tests.rs
index 1d43e455d..8bfbb818a 100644
--- a/kube/src/mock_tests.rs
+++ b/kube/src/mock_tests.rs
@@ -8,7 +8,7 @@ use crate::{
 use anyhow::Result;
 use futures::{poll, StreamExt, TryStreamExt};
 use http::{Request, Response};
-use hyper::{body::to_bytes, Body};
+use hyper::Body;
 use kube_derive::CustomResource;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};