diff --git a/.gitignore b/.gitignore
index 32a9a48..17c117a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -60,7 +60,8 @@ dict/tvb_pleco.tab
 dict/TrungViet-big.tab
 dict/TrungViet-big.txt
 
-*.Identifier
+**/*.Identifier
+
 ext-dict/Bach_khoa_toan_thu.dfo
 ext-dict/CCCE-Thin.dfo
 ext-dict/CCCE-Thin.tab
diff --git a/requirements.txt b/requirements.txt
index 0f5d1d9..0c54186 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,5 @@ pinyin >= 0.4.0
 pyglossary >= 4.6.1
 pinyin_jyutping_sentence
 langcodes==3.5.0
-iso-language-codes==1.1.0
\ No newline at end of file
+iso-language-codes==1.1.0
+langcodes==3.5.0
\ No newline at end of file