diff --git a/.devcontainer/devcontainer-lock.json b/.devcontainer/devcontainer-lock.json
index e39b1dd..da4fe8f 100644
--- a/.devcontainer/devcontainer-lock.json
+++ b/.devcontainer/devcontainer-lock.json
@@ -5,6 +5,11 @@
       "resolved": "ghcr.io/devcontainers/features/docker-in-docker@sha256:23ae11a86089da5f0b98a6edd603f91831802b7f2d5ef1e104e1b94a3beb546c",
       "integrity": "sha256:23ae11a86089da5f0b98a6edd603f91831802b7f2d5ef1e104e1b94a3beb546c"
     },
+    "ghcr.io/devcontainers/features/docker-in-docker:2": {
+      "version": "2.12.0",
+      "resolved": "ghcr.io/devcontainers/features/docker-in-docker@sha256:5f3e2005aad161ce3ff7700b2603f11935348c039f9166960efd050d69cd3014",
+      "integrity": "sha256:5f3e2005aad161ce3ff7700b2603f11935348c039f9166960efd050d69cd3014"
+    },
     "ghcr.io/ministryofjustice/devcontainer-feature/container-structure-test:1": {
       "version": "1.0.0",
       "resolved": "ghcr.io/ministryofjustice/devcontainer-feature/container-structure-test@sha256:19eb30f9eb327b667be2002757d55381de87cdb5a79a6e37d293369fe8ad01ad",