diff --git a/CREDITS b/CREDITS
index e0d748dad..deeaf45b9 100644
--- a/CREDITS
+++ b/CREDITS
@@ -520,4 +520,6 @@ N: Dan Vinakovsky
 W: https://github.com/hexaclock
 I: 1216
 
-N
+N: stswandering
+W: https://github.com/stswandering
+I: 1243
diff --git a/HISTORY.rst b/HISTORY.rst
index bf378ed80..c58c8506c 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -14,6 +14,8 @@ XXXX-XX-XX
 **Bug fixes**
 
 - 1216_: fix compatibility with python 2.6 on Windows (patch by Dan Vinakovsky)
+- 1240_: [Windows] cpu_times() float loses accuracy in a long running system.
+  (patch by stswandering)
 
 5.4.3
 =====