diff --git a/source-urls.json b/source-urls.json
index 3b5c9c4..64c4a13 100644
--- a/source-urls.json
+++ b/source-urls.json
@@ -34,6 +34,10 @@
       "packageNames": ["quay.io/prometheus/node-exporter"],
       "sourceUrl": "https://github.com/prometheus/node_exporter"
     },
+    {
+      "packageNames": ["quay.io/prometheus/alertmanager"],
+      "sourceUrl": "https://github.com/prometheus/alertmanager"
+    },
     {
       "packageNames": ["ghcr.io/tailscale/tailscale"],
       "sourceUrl": "https://github.com/tailscale/tailscale"