diff --git a/data/langdb.yaml b/data/langdb.yaml
index 38c7351..87ded82 100644
--- a/data/langdb.yaml
+++ b/data/langdb.yaml
@@ -683,6 +683,7 @@ languages:
   ydd: [yi]
   yi: [Hebr, [ME, EU, AM], ייִדיש]
   yo: [Latn, [AF], Yorùbá]
+  yoi: [Jpan, [AS], 与那国物言]
   yrk: [Cyrl, [AS], ненэцяʼ вада]
   yrl: [Latn, [AM], Nhẽẽgatú]
   yua: [Latn, [AM], "Maaya T'aan"]
diff --git a/data/language-data.json b/data/language-data.json
index 74e22f6..189e0b7 100644
--- a/data/language-data.json
+++ b/data/language-data.json
@@ -4483,6 +4483,13 @@
             ],
             "Yorùbá"
         ],
+        "yoi": [
+            "Jpan",
+            [
+                "AS"
+            ],
+            "与那国物言"
+        ],
         "yrk": [
             "Cyrl",
             [