diff --git a/data/langdb.yaml b/data/langdb.yaml
index 9d71192..b361e71 100644
--- a/data/langdb.yaml
+++ b/data/langdb.yaml
@@ -175,6 +175,7 @@ languages:
   gan: [Hant, [AS], 贛語]
   gbz: [Latn, [AS], Dari-e Mazdeyasnā]
   gcf: [Latn, [AM], Guadeloupean Creole French]
+  gcr: [Latn, [AM], kréyòl gwiyanè]
   gd: [Latn, [EU], Gàidhlig]
   gl: [Latn, [EU], galego]
   glk: [Arab, [AS, ME], گیلکی]
diff --git a/language-data.json b/language-data.json
index 688f42b..01c0645 100644
--- a/language-data.json
+++ b/language-data.json
@@ -1093,6 +1093,13 @@
             ],
             "Guadeloupean Creole French"
         ],
+        "gcr": [
+            "Latn",
+            [
+                "AM"
+            ],
+            "kréyòl gwiyanè"
+        ],
         "gd": [
             "Latn",
             [
@@ -4393,6 +4400,7 @@
         ],
         "GF": [
             "fr",
+            "gcr",
             "zh-hant",
             "zh"
         ],