diff --git a/docs/4.0-migration-guide.md b/docs/4.0-migration-guide.md
index 9b4768a3a1..956609810e 100644
--- a/docs/4.0-migration-guide.md
+++ b/docs/4.0-migration-guide.md
@@ -11,7 +11,7 @@ The changes are detailed below. Here is a summary of the main points:
 - The cryptography API is now mostly the PSA API: most legacy cryptography APIs have been removed. This has led to adaptations in some X.509 and TLS APIs, notably because the library always uses the PSA random generator.
 - Various deprecated or minor functionality has been removed.
 
-Please consult the [TF-PSA-Crypto migration guide](../tf-psa-crypto/docs/1.0-migration-guide.md) for all information related to the crytography part of the library.
+Please consult the [TF-PSA-Crypto migration guide](https://github.com/Mbed-TLS/TF-PSA-Crypto/blob/development/docs/1.0-migration-guide.md) for all information related to the crytography part of the library.
 
 ## CMake as the only build system
 Mbed TLS now uses CMake exclusively to configure and drive its build process.