diff --git a/swagger/docs.go b/swagger/docs.go
index 4f259f284..14b0f3352 100644
--- a/swagger/docs.go
+++ b/swagger/docs.go
@@ -3822,6 +3822,13 @@ const docTemplate = `{
         "config.Gallery": {
             "type": "object",
             "properties": {
+                "mirrors": {
+                    "description": "Mirrors are tried in order when URL cannot be fetched. They are a\nfallback for availability, not a load-balancing pool: the primary is\nalways preferred, and a mirror is only consulted after the one before\nit fails. Any URI the gallery loader understands works here\n(https://, github:, file://).",
+                    "type": "array",
+                    "items": {
+                        "type": "string"
+                    }
+                },
                 "name": {
                     "type": "string"
                 },
diff --git a/swagger/swagger.json b/swagger/swagger.json
index 39dd6c03a..4181a0e82 100644
--- a/swagger/swagger.json
+++ b/swagger/swagger.json
@@ -3819,6 +3819,13 @@
         "config.Gallery": {
             "type": "object",
             "properties": {
+                "mirrors": {
+                    "description": "Mirrors are tried in order when URL cannot be fetched. They are a\nfallback for availability, not a load-balancing pool: the primary is\nalways preferred, and a mirror is only consulted after the one before\nit fails. Any URI the gallery loader understands works here\n(https://, github:, file://).",
+                    "type": "array",
+                    "items": {
+                        "type": "string"
+                    }
+                },
                 "name": {
                     "type": "string"
                 },
diff --git a/swagger/swagger.yaml b/swagger/swagger.yaml
index 90e0bb3c4..8b66f6892 100644
--- a/swagger/swagger.yaml
+++ b/swagger/swagger.yaml
@@ -2,6 +2,16 @@ basePath: /
 definitions:
   config.Gallery:
     properties:
+      mirrors:
+        description: |-
+          Mirrors are tried in order when URL cannot be fetched. They are a
+          fallback for availability, not a load-balancing pool: the primary is
+          always preferred, and a mirror is only consulted after the one before
+          it fails. Any URI the gallery loader understands works here
+          (https://, github:, file://).
+        items:
+          type: string
+        type: array
       name:
         type: string
       url: