diff --git a/libraries/base/changelog.md b/libraries/base/changelog.md
index f7f1b5b2e9d63bee69525c76de053925f3704cf4..8882c5a07f987df968bca26eaa174bbd295fc122 100644
--- a/libraries/base/changelog.md
+++ b/libraries/base/changelog.md
@@ -1,11 +1,14 @@
 # Changelog for [`base` package](http://hackage.haskell.org/package/base)
 
-## 4.8.1.0  *TBA*
+## 4.8.1.0  *Jul 2015*
 
   * Bundled with GHC 7.10.2
 
   * `Lifetime` is now exported from `GHC.Event`
 
+  * Implicit-parameter based source location support exposed in `GHC.SrcLoc`.
+    See GHC User's Manual for more information.
+
 ## 4.8.0.0  *Mar 2015*
 
   * Bundled with GHC 7.10.1