diff --git a/package.json b/package.json
index 8a331e6..002a565 100644
--- a/package.json
+++ b/package.json
@@ -161,6 +161,12 @@
       }
     ],
     "languages": [
+      {
+        "id": "yaml",
+        "filenames": [
+          "buf.lock"
+        ]
+      },
       {
         "id": "proto",
         "extensions": [
@@ -178,6 +184,10 @@
       }
     ],
     "yamlValidation": [
+      {
+        "fileMatch": "buf.lock",
+        "url": "https://www.schemastore.org/buf.lock.json"
+      },
       {
         "fileMatch": "buf.yaml",
         "url": "https://www.schemastore.org/buf.json"