diff --git a/data/registry/tools-go-docker-lgtm.yml b/data/registry/tools-go-docker-lgtm.yml
new file mode 100644
index 000000000000..755d74feb928
--- /dev/null
+++ b/data/registry/tools-go-docker-lgtm.yml
@@ -0,0 +1,24 @@
+# cSpell:ignore Stäber Zeitlinger
+title: docker-otel-lgtm
+registryType: utilities
+language: go
+tags:
+  - collector
+  - testing
+  - docker
+  - backend
+  - traces
+  - logs
+  - metrics
+  - utilities
+license: Apache 2.0
+description: |
+  docker-otel-lgtm is an OpenTelemetry backend in a Docker image.
+authors:
+  - name: Gregor Zeitlinger
+    url: https://github.com/zeitlinger
+  - name: Fabian Stäber
+    url: https://github.com/fstab
+urls:
+  repo: https://github.com/grafana/docker-otel-lgtm
+createdAt: 2024-12-19
diff --git a/static/refcache.json b/static/refcache.json
index ed589ea5367d..ee2e246570dd 100644
--- a/static/refcache.json
+++ b/static/refcache.json
@@ -5275,6 +5275,10 @@
     "StatusCode": 200,
     "LastSeen": "2024-04-10T00:09:46.144495+02:00"
   },
+  "https://github.com/grafana/docker-otel-lgtm": {
+    "StatusCode": 206,
+    "LastSeen": "2024-12-19T14:40:49.726333554+01:00"
+  },
   "https://github.com/grafana/grafana-opentelemetry-dotnet": {
     "StatusCode": 200,
     "LastSeen": "2024-04-10T00:09:49.944628+02:00"