diff --git a/README.md b/README.md
index 11199ce..e456038 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ brew install mdbook
 Next, clone this repo and serve the book:
 
 ```sh
-git clone https://github.com/certusone/xdapp-book.git
+git clone https://github.com/wormhole-foundation/xdapp-book.git
 cd xdapp-book
 mdbook serve
 ```
diff --git a/book.toml b/book.toml
index 51a460d..8f7fb20 100644
--- a/book.toml
+++ b/book.toml
@@ -9,4 +9,4 @@ src = "src"
 
 [output.html]
 default-theme= "ayu"
-git-repository-url="https://github.com/certusone/xdapp-book"
\ No newline at end of file
+git-repository-url="https://github.com/wormhole-foundation/xdapp-book"
\ No newline at end of file
diff --git a/src/introduction/introduction.md b/src/introduction/introduction.md
index 80876d3..4e24a3d 100644
--- a/src/introduction/introduction.md
+++ b/src/introduction/introduction.md
@@ -12,6 +12,6 @@ Ready to step _into the wormhole_?
 
 ---
 
-Check out this project's [github repository](https://www.github.com/certusone/xdapp-book) to find the accompanying code examples.
+Check out this project's [github repository](https://www.github.com/wormhole-foundation/xdapp-book) to find the accompanying code examples.
 
 For additional references, see the **Reference** section.