diff --git a/.github/upstream-projects.yaml b/.github/upstream-projects.yaml
index 2b47be52..49069144 100644
--- a/.github/upstream-projects.yaml
+++ b/.github/upstream-projects.yaml
@@ -29,7 +29,7 @@
 projects:
   - id: toolhive-registry-server
     repo: stacklok/toolhive-registry-server
-    version: v1.4.12
+    version: v1.4.13
     docs_paths:
       - docs/toolhive/guides-registry
       - docs/toolhive/concepts/registry-criteria.mdx
diff --git a/static/api-specs/toolhive-registry-api.yaml b/static/api-specs/toolhive-registry-api.yaml
index d8687a11..1e54981e 100644
--- a/static/api-specs/toolhive-registry-api.yaml
+++ b/static/api-specs/toolhive-registry-api.yaml
@@ -498,13 +498,13 @@ components:
           uniqueItems: false
         registryBaseUrl:
           description: RegistryBaseURL is the base URL of the package registry (used
-            by npm, pypi, nuget; not used by oci, mcpb)
+            by npm, pypi, nuget, cargo; not used by oci, mcpb)
           example: https://registry.npmjs.org
           format: uri
           type: string
         registryType:
           description: RegistryType indicates how to download packages (e.g., "npm",
-            "pypi", "oci", "nuget", "mcpb")
+            "pypi", "cargo", "oci", "nuget", "mcpb")
           example: npm
           minLength: 1
           type: string