diff --git a/.github/debci.txt b/.github/debci.txt
index ab14d62..8166fdb 100644
--- a/.github/debci.txt
+++ b/.github/debci.txt
@@ -1,3 +1,3 @@
-langcodes==3.4.1
+langcodes==3.5.0
 language_data==1.3.0
 marisa_trie==1.2.1