diff --git a/pkg/apis/machineconfiguration.openshift.io/v1/types.go b/pkg/apis/machineconfiguration.openshift.io/v1/types.go
index c0b2057fdd..196da30ceb 100644
--- a/pkg/apis/machineconfiguration.openshift.io/v1/types.go
+++ b/pkg/apis/machineconfiguration.openshift.io/v1/types.go
@@ -543,6 +543,22 @@ type ContainerRuntimeConfiguration struct {
 
 	// defaultRuntime is the name of the OCI runtime to be used as the default.
 	DefaultRuntime ContainerRuntimeDefaultRuntime `json:"defaultRuntime,omitempty"`
+
+	// pinnedImages is a list of images that will be pinned and pre-loaded in all the nodes of
+	// the cluster. Translates into a new pin.conf file inside the /etc/crio/crio.conf.d
+	// directory with content similar to this:
+	//
+	//	pinned_images = [
+	//		"quay.io/openshift-release-dev/ocp-release@sha256:...",
+	//		"quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:...",
+	//		"quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:...",
+	//		...
+	//	]
+	//
+	// The CRI-O service will be reloaded when this list is changed.
+	//
+	// +optional
+	PinnedImages []string `json:"pinnedImages,omitempty"`
 }
 
 type ContainerRuntimeDefaultRuntime string