diff --git a/pokedex/data/csv/language_names.csv b/pokedex/data/csv/language_names.csv
index 42663ae..c94b335 100644
--- a/pokedex/data/csv/language_names.csv
+++ b/pokedex/data/csv/language_names.csv
@@ -8,3 +8,4 @@ language_id,local_language_id,name
 7,9,Spanish
 8,9,Italian
 9,9,English
+10,9,Czech
diff --git a/pokedex/data/csv/languages.csv b/pokedex/data/csv/languages.csv
index 3ebafc8..1b73c09 100644
--- a/pokedex/data/csv/languages.csv
+++ b/pokedex/data/csv/languages.csv
@@ -8,3 +8,4 @@ id,iso639,iso3166,identifier,official,order
 7,es,es,es,1,
 8,it,it,it,1,
 9,en,us,en,1,0
+10,cs,cz,cs,0,