diff --git a/frontend/static/languages/serbian.json b/frontend/static/languages/serbian.json
index be6d958c24d3..a087e81f0461 100644
--- a/frontend/static/languages/serbian.json
+++ b/frontend/static/languages/serbian.json
@@ -1,6 +1,9 @@
 {
   "name": "serbian",
   "noLazyMode": true,
+  "rightToLeft": false,
+  "ligatures": false,
+  "bcp47": "sr-Cyrl",
   "words": [
     "као",
     "ја",
diff --git a/frontend/static/languages/serbian_10k.json b/frontend/static/languages/serbian_10k.json
index be1c30bcac7b..c2c9cfa79165 100644
--- a/frontend/static/languages/serbian_10k.json
+++ b/frontend/static/languages/serbian_10k.json
@@ -1,6 +1,9 @@
 {
   "name": "serbian_10k",
   "noLazyMode": true,
+  "rightToLeft": false,
+  "ligatures": false,
+  "bcp47": "sr-Cyrl",
   "words": [
     "је",
     "да",
diff --git a/frontend/static/languages/serbian_latin.json b/frontend/static/languages/serbian_latin.json
index 34ad35674b68..4accff76f306 100644
--- a/frontend/static/languages/serbian_latin.json
+++ b/frontend/static/languages/serbian_latin.json
@@ -1,5 +1,8 @@
 {
   "name": "serbian_latin",
+  "rightToLeft": false,
+  "ligatures": false,
+  "bcp47": "sr-Latn",
   "additionalAccents": [["đ", "dj"]],
   "words": [
     "kao",
diff --git a/frontend/static/languages/serbian_latin_10k.json b/frontend/static/languages/serbian_latin_10k.json
index d591ec38ffc3..961a2688b4c6 100644
--- a/frontend/static/languages/serbian_latin_10k.json
+++ b/frontend/static/languages/serbian_latin_10k.json
@@ -1,5 +1,8 @@
 {
   "name": "serbian_latin_10k",
+  "rightToLeft": false,
+  "ligatures": false,
+  "bcp47": "sr-Latn",
   "additionalAccents": [["đ", "dj"]],
   "words": [
     "je",