diff --git a/CHANGELOG.md b/CHANGELOG.md
index c7cf6c436c..7bebcf6526 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -41,6 +41,7 @@
 - Use a single vendored @rescript/react package across the repo. https://github.com/rescript-lang/rescript/pull/7525
 - Improve deprecated attribute extraction and support record form. https://github.com/rescript-lang/rescript/pull/8396
 - Refactor analysis to decouple I/O from core logic. https://github.com/rescript-lang/rescript/pull/8426
+- Deprecate `Stdlib_Error` and `Stdlib_Exn` modules in favor of `JsError/JsExn`. https://github.com/rescript-lang/rescript/pull/8404
 
 #### :house: Internal
 
diff --git a/packages/@rescript/runtime/Stdlib_Error.resi b/packages/@rescript/runtime/Stdlib_Error.resi
index 3abc756f86..86327ba713 100644
--- a/packages/@rescript/runtime/Stdlib_Error.resi
+++ b/packages/@rescript/runtime/Stdlib_Error.resi
@@ -3,6 +3,7 @@ Functions for working with JavaScript exceptions.
 
 See [`Error`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error) on MDN.
 */
+@@deprecated("Use `JsError` module")
 
 /** Represents a JavaScript exception. */
 @deprecated({
diff --git a/packages/@rescript/runtime/Stdlib_Exn.resi b/packages/@rescript/runtime/Stdlib_Exn.resi
index 5435507bc7..e82347c691 100644
--- a/packages/@rescript/runtime/Stdlib_Exn.resi
+++ b/packages/@rescript/runtime/Stdlib_Exn.resi
@@ -7,6 +7,7 @@
 /***
 Provide utilities for dealing with JS exceptions.
 */
+@@deprecated("Use `JsExn` module")
 
 /** Represents a JS exception */
 @deprecated({