diff --git a/docs/developer-docs/identity/authentication/overview.mdx b/docs/developer-docs/identity/authentication/overview.mdx
index 1ed6e59772..69a38f69fb 100644
--- a/docs/developer-docs/identity/authentication/overview.mdx
+++ b/docs/developer-docs/identity/authentication/overview.mdx
@@ -30,6 +30,8 @@ Authentication methods available on ICP include:
 
 The following tools enable authenticating with ICP dapps using wallet addresses from other chains and ecosystems:
 
+- [Sign in with Bitcoin](siwb.mdx): An authentication standard that enables Bitcoin wallet-based authentication for ICP applications.
+
 - [Sign in with Ethereum](siwe.mdx): An authentication standard that enables Ethereum wallet-based authentication for ICP applications.
 
 - [Sign in with Solana](siws.mdx): An authentication standard that enables Solana wallet-based authentication for ICP applications.