diff --git a/data/langdb.yaml b/data/langdb.yaml
index 81e9e7e..ba88b7c 100644
--- a/data/langdb.yaml
+++ b/data/langdb.yaml
@@ -666,6 +666,7 @@ languages:
   trv: [Latn, [AS], Seediq]
   ts: [Latn, [AF], Xitsonga]
   tsd: [Grek, [EU], Τσακωνικά]
+  tsg: [Latn, [AS], Sinūg]
   tt: [Cyrl, [EU], татарча]
   tt-cyrl: [tt]
   tt-latn: [Latn, [EU], tatarça]
diff --git a/data/language-data.json b/data/language-data.json
index befb357..8b64186 100644
--- a/data/language-data.json
+++ b/data/language-data.json
@@ -4366,6 +4366,13 @@
             ],
             "Τσακωνικά"
         ],
+        "tsg": [
+            "Latn",
+            [
+                "AS"
+            ],
+            "Sinūg"
+        ],
         "tt": [
             "Cyrl",
             [
@@ -6128,6 +6135,7 @@
             "war",
             "pam",
             "pag",
+            "tsg",
             "zh-hant",
             "zh",
             "cps",