diff --git a/justfile b/justfile
index ac80faa..182afab 100644
--- a/justfile
+++ b/justfile
@@ -5,6 +5,8 @@ TAG := "dev"
 HOME_DIR := env_var('HOME')
 YQ_VERSION := "v4.43.1"
 YQ_BIN := "_out/yq"
+OUT_DIR := "_out"
+KOPIUM_BIN := "_out/bin/kopium"
 KUSTOMIZE_VERSION := "v5.4.1"
 KUSTOMIZE_BIN := "_out/kustomize"
 ARCH := if arch() == "aarch64" { "arm64"} else { "amd64" }
@@ -21,10 +23,10 @@ generate:
 
 # generates files for CRDS
 generate-crds: _create-out-dir _install-kopium _download-yq
-    just _generate-kopium-url {{home_directory()}}/.cargo/bin/kopium "https://raw.githubusercontent.com/kubernetes-sigs/cluster-api/main/config/crd/bases/cluster.x-k8s.io_clusters.yaml" "src/api/capi_cluster.rs" ""
-    just _generate-kopium-url {{home_directory()}}/.cargo/bin/kopium "https://raw.githubusercontent.com/kubernetes-sigs/cluster-api/main/config/crd/bases/cluster.x-k8s.io_clusterclasses.yaml" "src/api/capi_clusterclass.rs" ""
-    just _generate-kopium-url {{home_directory()}}/.cargo/bin/kopium "https://raw.githubusercontent.com/rancher/fleet/main/charts/fleet-crd/templates/crds.yaml" "src/api/fleet_cluster.rs" "select(.spec.names.singular==\"cluster\")" "--no-condition"
-    just _generate-kopium-url {{home_directory()}}/.cargo/bin/kopium "https://raw.githubusercontent.com/rancher/fleet/main/charts/fleet-crd/templates/crds.yaml" "src/api/fleet_clustergroup.rs" "select(.spec.names.singular==\"clustergroup\")" "--no-condition"
+    just _generate-kopium-url {{KOPIUM_BIN}} "https://raw.githubusercontent.com/kubernetes-sigs/cluster-api/main/config/crd/bases/cluster.x-k8s.io_clusters.yaml" "src/api/capi_cluster.rs" ""
+    just _generate-kopium-url {{KOPIUM_BIN}} "https://raw.githubusercontent.com/kubernetes-sigs/cluster-api/main/config/crd/bases/cluster.x-k8s.io_clusterclasses.yaml" "src/api/capi_clusterclass.rs" ""
+    just _generate-kopium-url {{KOPIUM_BIN}} "https://raw.githubusercontent.com/rancher/fleet/main/charts/fleet-crd/templates/crds.yaml" "src/api/fleet_cluster.rs" "select(.spec.names.singular==\"cluster\")" "--no-condition"
+    just _generate-kopium-url {{KOPIUM_BIN}} "https://raw.githubusercontent.com/rancher/fleet/main/charts/fleet-crd/templates/crds.yaml" "src/api/fleet_clustergroup.rs" "select(.spec.names.singular==\"clustergroup\")" "--no-condition"
 
 [private]
 _generate-kopium-url kpath="" source="" dest="" yqexp="." condition="":
@@ -139,7 +141,7 @@ test-import: start-dev deploy deploy-child-cluster deploy-crs
 # Install kopium
 [private]
 _install-kopium:
-    cargo install kopium
+    cargo install --git https://github.com/kube-rs/kopium.git --branch main --root {{OUT_DIR}}
 
 # Download kustomize
 [private]
diff --git a/src/api/capi_cluster.rs b/src/api/capi_cluster.rs
index ef7de7c..f745c9b 100644
--- a/src/api/capi_cluster.rs
+++ b/src/api/capi_cluster.rs
@@ -2,11 +2,15 @@
 // kopium command: kopium -D Default -f -
 // kopium version: 0.18.0
 
-use kube::CustomResource;
-use serde::{Serialize, Deserialize};
-use std::collections::BTreeMap;
-use k8s_openapi::apimachinery::pkg::util::intstr::IntOrString;
-use k8s_openapi::apimachinery::pkg::apis::meta::v1::Condition;
+#[allow(unused_imports)]
+mod prelude {
+    pub use kube::CustomResource;
+    pub use serde::{Serialize, Deserialize};
+    pub use std::collections::BTreeMap;
+    pub use k8s_openapi::apimachinery::pkg::util::intstr::IntOrString;
+    pub use k8s_openapi::apimachinery::pkg::apis::meta::v1::Condition;
+}
+use self::prelude::*;
 
 #[derive(CustomResource, Serialize, Deserialize, Clone, Debug, Default)]
 #[kube(group = "cluster.x-k8s.io", version = "v1beta1", kind = "Cluster", plural = "clusters")]
@@ -179,7 +183,7 @@ pub struct ClusterTopologyVariables {
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "definitionFrom")]
     pub definition_from: Option<String>,
     pub name: String,
-    pub value: BTreeMap<String, serde_json::Value>,
+    pub value: serde_json::Value,
 }
 
 #[derive(Serialize, Deserialize, Clone, Debug, Default)]
@@ -308,7 +312,7 @@ pub struct ClusterTopologyWorkersMachineDeploymentsVariablesOverrides {
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "definitionFrom")]
     pub definition_from: Option<String>,
     pub name: String,
-    pub value: BTreeMap<String, serde_json::Value>,
+    pub value: serde_json::Value,
 }
 
 #[derive(Serialize, Deserialize, Clone, Debug, Default)]
@@ -352,7 +356,7 @@ pub struct ClusterTopologyWorkersMachinePoolsVariablesOverrides {
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "definitionFrom")]
     pub definition_from: Option<String>,
     pub name: String,
-    pub value: BTreeMap<String, serde_json::Value>,
+    pub value: serde_json::Value,
 }
 
 #[derive(Serialize, Deserialize, Clone, Debug, Default)]
diff --git a/src/api/capi_clusterclass.rs b/src/api/capi_clusterclass.rs
index 15005d3..2ed2cef 100644
--- a/src/api/capi_clusterclass.rs
+++ b/src/api/capi_clusterclass.rs
@@ -2,11 +2,15 @@
 // kopium command: kopium -D Default -f -
 // kopium version: 0.18.0
 
-use kube::CustomResource;
-use serde::{Serialize, Deserialize};
-use std::collections::BTreeMap;
-use k8s_openapi::apimachinery::pkg::util::intstr::IntOrString;
-use k8s_openapi::apimachinery::pkg::apis::meta::v1::Condition;
+#[allow(unused_imports)]
+mod prelude {
+    pub use kube::CustomResource;
+    pub use serde::{Serialize, Deserialize};
+    pub use std::collections::BTreeMap;
+    pub use k8s_openapi::apimachinery::pkg::util::intstr::IntOrString;
+    pub use k8s_openapi::apimachinery::pkg::apis::meta::v1::Condition;
+}
+use self::prelude::*;
 
 #[derive(CustomResource, Serialize, Deserialize, Clone, Debug, Default)]
 #[kube(group = "cluster.x-k8s.io", version = "v1beta1", kind = "ClusterClass", plural = "clusterclasses")]
@@ -191,7 +195,7 @@ pub struct ClusterClassPatchesDefinitionsJsonPatches {
     pub op: String,
     pub path: String,
     #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub value: Option<BTreeMap<String, serde_json::Value>>,
+    pub value: Option<serde_json::Value>,
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "valueFrom")]
     pub value_from: Option<ClusterClassPatchesDefinitionsJsonPatchesValueFrom>,
 }
@@ -275,15 +279,15 @@ pub struct ClusterClassVariablesSchema {
 #[derive(Serialize, Deserialize, Clone, Debug, Default)]
 pub struct ClusterClassVariablesSchemaOpenApiv3Schema {
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "additionalProperties")]
-    pub additional_properties: Option<BTreeMap<String, serde_json::Value>>,
+    pub additional_properties: Option<serde_json::Value>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub default: Option<BTreeMap<String, serde_json::Value>>,
+    pub default: Option<serde_json::Value>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub description: Option<String>,
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "enum")]
     pub r#enum: Option<Vec<BTreeMap<String, serde_json::Value>>>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub example: Option<BTreeMap<String, serde_json::Value>>,
+    pub example: Option<serde_json::Value>,
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "exclusiveMaximum")]
     pub exclusive_maximum: Option<bool>,
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "exclusiveMinimum")]
@@ -291,7 +295,7 @@ pub struct ClusterClassVariablesSchemaOpenApiv3Schema {
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub format: Option<String>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub items: Option<BTreeMap<String, serde_json::Value>>,
+    pub items: Option<serde_json::Value>,
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "maxItems")]
     pub max_items: Option<i64>,
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "maxLength")]
@@ -307,7 +311,7 @@ pub struct ClusterClassVariablesSchemaOpenApiv3Schema {
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub pattern: Option<String>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub properties: Option<BTreeMap<String, serde_json::Value>>,
+    pub properties: Option<serde_json::Value>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub required: Option<Vec<String>>,
     #[serde(rename = "type")]
@@ -621,15 +625,15 @@ pub struct ClusterClassStatusVariablesDefinitionsSchema {
 #[derive(Serialize, Deserialize, Clone, Debug, Default)]
 pub struct ClusterClassStatusVariablesDefinitionsSchemaOpenApiv3Schema {
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "additionalProperties")]
-    pub additional_properties: Option<BTreeMap<String, serde_json::Value>>,
+    pub additional_properties: Option<serde_json::Value>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub default: Option<BTreeMap<String, serde_json::Value>>,
+    pub default: Option<serde_json::Value>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub description: Option<String>,
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "enum")]
     pub r#enum: Option<Vec<BTreeMap<String, serde_json::Value>>>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub example: Option<BTreeMap<String, serde_json::Value>>,
+    pub example: Option<serde_json::Value>,
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "exclusiveMaximum")]
     pub exclusive_maximum: Option<bool>,
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "exclusiveMinimum")]
@@ -637,7 +641,7 @@ pub struct ClusterClassStatusVariablesDefinitionsSchemaOpenApiv3Schema {
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub format: Option<String>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub items: Option<BTreeMap<String, serde_json::Value>>,
+    pub items: Option<serde_json::Value>,
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "maxItems")]
     pub max_items: Option<i64>,
     #[serde(default, skip_serializing_if = "Option::is_none", rename = "maxLength")]
@@ -653,7 +657,7 @@ pub struct ClusterClassStatusVariablesDefinitionsSchemaOpenApiv3Schema {
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub pattern: Option<String>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub properties: Option<BTreeMap<String, serde_json::Value>>,
+    pub properties: Option<serde_json::Value>,
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub required: Option<Vec<String>>,
     #[serde(rename = "type")]
diff --git a/src/api/fleet_cluster.rs b/src/api/fleet_cluster.rs
index e71f88b..8b45c27 100644
--- a/src/api/fleet_cluster.rs
+++ b/src/api/fleet_cluster.rs
@@ -2,10 +2,14 @@
 // kopium command: kopium -D Default --no-condition -f -
 // kopium version: 0.18.0
 
-use kube::CustomResource;
-use serde::{Serialize, Deserialize};
-use std::collections::BTreeMap;
-use k8s_openapi::apimachinery::pkg::util::intstr::IntOrString;
+#[allow(unused_imports)]
+mod prelude {
+    pub use kube::CustomResource;
+    pub use serde::{Serialize, Deserialize};
+    pub use std::collections::BTreeMap;
+    pub use k8s_openapi::apimachinery::pkg::util::intstr::IntOrString;
+}
+use self::prelude::*;
 
 #[derive(CustomResource, Serialize, Deserialize, Clone, Debug, Default)]
 #[kube(group = "fleet.cattle.io", version = "v1alpha1", kind = "Cluster", plural = "clusters")]
diff --git a/src/api/fleet_clustergroup.rs b/src/api/fleet_clustergroup.rs
index 3c35840..9bcc5e4 100644
--- a/src/api/fleet_clustergroup.rs
+++ b/src/api/fleet_clustergroup.rs
@@ -2,9 +2,13 @@
 // kopium command: kopium -D Default --no-condition -f -
 // kopium version: 0.18.0
 
-use kube::CustomResource;
-use serde::{Serialize, Deserialize};
-use std::collections::BTreeMap;
+#[allow(unused_imports)]
+mod prelude {
+    pub use kube::CustomResource;
+    pub use serde::{Serialize, Deserialize};
+    pub use std::collections::BTreeMap;
+}
+use self::prelude::*;
 
 #[derive(CustomResource, Serialize, Deserialize, Clone, Debug, Default)]
 #[kube(group = "fleet.cattle.io", version = "v1alpha1", kind = "ClusterGroup", plural = "clustergroups")]