diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 7fbc515d0d0..44d5b9448a8 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -378,7 +378,7 @@ The `catalog.json` file is generally used by IDEs and language servers to determ
 - VSCode ignores this file [see issue](https://github.com/microsoft/vscode/issues/26289)
 - [RedHat's YAML language server](#redhat-developeryaml-language-server) uses this file ([see configuration](https://github.com/redhat-developer/vscode-yaml/blob/41e0be736f2d07cdf7489e1c1c591b35b990e096/package.json#L176))
 - [Taplo TOML language server](#tamasfetaplo) uses this file (see [this](https://github.com/tamasfe/taplo/blob/2e01e8cca235aae3d3f6d4415c06fd52e1523934/editors/vscode/package.json#L240) and [this](https://marketplace.visualstudio.com/items?itemName=redhat.vscode-yaml))
-- [Tombi](#tombi-toml-tombi) uses this file (see [this](https://tombi-toml.github.io/tombi/docs/configuration))
+- [Tombi: TOML language server](#tombi-tomltombi) uses this file (see [this](https://tombi-toml.github.io/tombi/docs/configuration))
 
 Sometimes, `catalog.json` is interpreted differently:
 
diff --git a/src/api/json/catalog.json b/src/api/json/catalog.json
index 6e2a27368ae..e4fbeb6728f 100644
--- a/src/api/json/catalog.json
+++ b/src/api/json/catalog.json
@@ -252,6 +252,12 @@
       "fileMatch": [".aqua-policy.yaml", "aqua-policy.yaml"],
       "url": "https://raw.githubusercontent.com/aquaproj/aqua/main/json-schema/policy.json"
     },
+    {
+      "name": "registry.yaml",
+      "description": "aqua registry configuration file",
+      "fileMatch": [],
+      "url": "https://raw.githubusercontent.com/aquaproj/aqua/main/json-schema/registry.json"
+    },
     {
       "name": "arb.json",
       "description": "Application Resource Bundle",