diff --git a/README.es-ES.md b/README.es-ES.md
index b6337a1c..ee0e0d62 100644
--- a/README.es-ES.md
+++ b/README.es-ES.md
@@ -20,7 +20,8 @@ _Léelo en otros idiomas:_
 [_Português_](README.pt-BR.md),
 [_Русский_](README.ru-RU.md),
 [_Türk_](README.tr-TR.md),
-[_Italiana_](README.it-IT.md)
+[_Italiana_](README.it-IT.md),
+[_Bahasa Indonesia_](README.id-ID.md)
 
 *☝ Nótese que este proyecto está pensado con fines de aprendizaje e investigación,
 y **no** para ser usado en producción.*
diff --git a/README.fr-FR.md b/README.fr-FR.md
index 7b370554..1e21add7 100644
--- a/README.fr-FR.md
+++ b/README.fr-FR.md
@@ -21,7 +21,8 @@ _Lisez ceci dans d'autres langues:_
 [_Português_](README.pt-BR.md),
 [_Русский_](README.ru-RU.md),
 [_Türk_](README.tr-TR.md),
-[_Italiana_](README.it-IT.md)
+[_Italiana_](README.it-IT.md),
+[_Bahasa Indonesia_](README.id-ID.md)
 
 ## Data Structures
 
diff --git a/README.id-ID.md b/README.id-ID.md
index 784fb769..5a31ff8b 100644
--- a/README.id-ID.md
+++ b/README.id-ID.md
@@ -1,6 +1,6 @@
 # Algoritme dan Struktur Data Javascript
 
-[![Build Status](https://travis-ci.org/trekhleb/javascript-algorithms.svg?branch=master)](https://travis-ci.org/trekhleb/javascript-algorithms)
+[![CI](https://github.com/trekhleb/javascript-algorithms/workflows/CI/badge.svg)](https://github.com/trekhleb/javascript-algorithms/actions?query=workflow%3ACI+branch%3Amaster)
 [![codecov](https://codecov.io/gh/trekhleb/javascript-algorithms/branch/master/graph/badge.svg)](https://codecov.io/gh/trekhleb/javascript-algorithms)
 
 Repositori ini berisi contoh-contoh algoritme dan struktur data yang populer menggunakan JavaScript.
diff --git a/README.it-IT.md b/README.it-IT.md
index 95983240..31a7def9 100644
--- a/README.it-IT.md
+++ b/README.it-IT.md
@@ -17,7 +17,8 @@ _Leggilo in altre lingue:_
 [_Español_](README.es-ES.md),
 [_Português_](README.pt-BR.md),
 [_Русский_](README.ru-RU.md),
-[_Türk_](README.tr-TR.md)
+[_Türk_](README.tr-TR.md),
+[_Bahasa Indonesia_](README.id-ID.md)
 
 *☝ Si noti che questo progetto è destinato ad essere utilizzato solo per l'apprendimento e la ricerca e non è destinato ad essere utilizzato per il commercio.*
 
diff --git a/README.ja-JP.md b/README.ja-JP.md
index 93321556..e955c3ae 100644
--- a/README.ja-JP.md
+++ b/README.ja-JP.md
@@ -20,7 +20,8 @@ _Read this in other languages:_
 [_Português_](README.pt-BR.md),
 [_Русский_](README.ru-RU.md),
 [_Türk_](README.tr-TR.md),
-[_Italiana_](README.it-IT.md)
+[_Italiana_](README.it-IT.md),
+[_Bahasa Indonesia_](README.id-ID.md)
 
 ## データ構造
 
diff --git a/README.ko-KR.md b/README.ko-KR.md
index 0fa189d1..45c59cbe 100644
--- a/README.ko-KR.md
+++ b/README.ko-KR.md
@@ -19,7 +19,8 @@ _Read this in other languages:_
 [_Português_](README.pt-BR.md),
 [_Русский_](README.ru-RU.md),
 [_Türk_](README.tr-TR.md),
-[_Italiana_](README.it-IT.md)
+[_Italiana_](README.it-IT.md),
+[_Bahasa Indonesia_](README.id-ID.md)
 
 ## 자료 구조
 
diff --git a/README.md b/README.md
index ffec78a9..11293da7 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,8 @@ _Read this in other languages:_
 [_Português_](README.pt-BR.md),
 [_Русский_](README.ru-RU.md),
 [_Türk_](README.tr-TR.md),
-[_Italiana_](README.it-IT.md)
+[_Italiana_](README.it-IT.md),
+[_Bahasa Indonesia_](README.id-ID.md)
 
 *☝ Note that this project is meant to be used for learning and researching purposes
 only, and it is **not** meant to be used for production.*
diff --git a/README.pl-PL.md b/README.pl-PL.md
index d1ad0ec2..0ede13db 100644
--- a/README.pl-PL.md
+++ b/README.pl-PL.md
@@ -21,7 +21,8 @@ _Read this in other languages:_
 [_Português_](README.pt-BR.md),
 [_Русский_](README.ru-RU.md),
 [_Türk_](README.tr-TR.md),
-[_Italiana_](README.it-IT.md)
+[_Italiana_](README.it-IT.md),
+[_Bahasa Indonesia_](README.id-ID.md)
 
 ## Struktury Danych
 
diff --git a/README.pt-BR.md b/README.pt-BR.md
index 17899af1..7517bb50 100644
--- a/README.pt-BR.md
+++ b/README.pt-BR.md
@@ -21,7 +21,8 @@ _Leia isto em outros idiomas:_
 [_Español_](README.es-ES.md),
 [_Русский_](README.ru-RU.md),
 [_Türk_](README.tr-TR.md),
-[_Italiana_](README.it-IT.md)
+[_Italiana_](README.it-IT.md),
+[_Bahasa Indonesia_](README.id-ID.md)
 
 ## Estrutura de Dados
 
diff --git a/README.ru-RU.md b/README.ru-RU.md
index e85446d3..12c1324d 100644
--- a/README.ru-RU.md
+++ b/README.ru-RU.md
@@ -18,7 +18,8 @@ _Читать на других языках:_
 [_Español_](README.es-ES.md),
 [_Português_](README.pt-BR.md),
 [_Türk_](README.tr-TR.md),
-[_Italiana_](README.it-IT.md)
+[_Italiana_](README.it-IT.md),
+[_Bahasa Indonesia_](README.id-ID.md)
 
 *☝ Замечание: этот репозиторий предназначен для учебно-исследовательских целей (**не** для использования в продакшн-системах).*
 
diff --git a/README.tr-TR.md b/README.tr-TR.md
index c65061e4..2b453000 100644
--- a/README.tr-TR.md
+++ b/README.tr-TR.md
@@ -19,7 +19,8 @@ _Read this in other languages:_
 [_Español_](README.es-ES.md),
 [_Português_](README.pt-BR.md),
 [_Русский_](README.ru-RU.md),
-[_Italiana_](README.it-IT.md)
+[_Italiana_](README.it-IT.md),
+[_Bahasa Indonesia_](README.id-ID.md)
 
 *☝ Not, bu proje araştırma ve öğrenme amacı ile yapılmış
 olup üretim için **yaplılmamıştır**.*
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 05f58081..c0395244 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -18,7 +18,8 @@ _Read this in other languages:_
 [_Português_](README.pt-BR.md),
 [_Русский_](README.ru-RU.md),
 [_Türk_](README.tr-TR.md),
-[_Italiana_](README.it-IT.md)
+[_Italiana_](README.it-IT.md),
+[_Bahasa Indonesia_](README.id-ID.md)
 
 *注意：这个项目仅用于学习和研究，**不是**用于生产环境。*
 
diff --git a/README.zh-TW.md b/README.zh-TW.md
index 1a091720..69df9717 100644
--- a/README.zh-TW.md
+++ b/README.zh-TW.md
@@ -17,7 +17,8 @@ _Read this in other languages:_
 [_Português_](README.pt-BR.md),
 [_Русский_](README.ru-RU.md),
 [_Türk_](README.tr-TR.md),
-[_Italiana_](README.it-IT.md)
+[_Italiana_](README.it-IT.md),
+[_Bahasa Indonesia_](README.id-ID.md)
 
 ## 資料結構