diff --git a/docs/guide-de/assets-setup.md b/docs/guide-de/assets-setup.md
index f307ce8..a4e2deb 100644
--- a/docs/guide-de/assets-setup.md
+++ b/docs/guide-de/assets-setup.md
@@ -167,4 +167,4 @@ return [
 ];
 ```
 
-Nach dem Verändern des Bootstrap Quellcodes, stellen Sie sicher, dass sie neu [kompiliert werden](https://getbootstrap.com/docs/4.1/getting-started/build-tools/), z.B. mittels `npm run dist`. 
+Nach dem Verändern des Bootstrap Quellcodes, stellen Sie sicher, dass sie neu [kompiliert werden](https://getbootstrap.com/docs/5.1/getting-started/contribute/#using-npm-scripts), z.B. mittels `npm run dist`. 
diff --git a/docs/guide-ja/assets-setup.md b/docs/guide-ja/assets-setup.md
index ad4dac7..c73d7bf 100644
--- a/docs/guide-ja/assets-setup.md
+++ b/docs/guide-ja/assets-setup.md
@@ -173,4 +173,4 @@ return [
 ];
 ```
 
-Bootsrap のソース・ファイルを変更した後は、例えば `npm run dist` を使って、必ず[コンパイル](https://getbootstrap.com/docs/4.1/getting-started/build-tools/)して下さい。
+Bootsrap のソース・ファイルを変更した後は、例えば `npm run dist` を使って、必ず[コンパイル](https://getbootstrap.com/docs/5.1/getting-started/contribute/#using-npm-scripts)して下さい。
diff --git a/docs/guide/assets-setup.md b/docs/guide/assets-setup.md
index 93c4bb1..8a224ef 100644
--- a/docs/guide/assets-setup.md
+++ b/docs/guide/assets-setup.md
@@ -173,4 +173,4 @@ return [
 ];
 ```
 
-After you make changes to Bootstrap's source files, make sure to [compile them](https://getbootstrap.com/docs/4.1/getting-started/build-tools/), eg. using `npm run dist`.
+After you make changes to Bootstrap's source files, make sure to [compile them](https://getbootstrap.com/docs/5.1/getting-started/contribute/#using-npm-scripts), eg. using `npm run dist`.