diff --git a/CREDITS b/CREDITS
index 543536370..958d958db 100644
--- a/CREDITS
+++ b/CREDITS
@@ -835,3 +835,7 @@ I: 2272
 N: Sam Gross
 W: https://github.com/colesbury
 I: 2401, 2427
+
+N: Siena Richard
+W: https://github.com/siena-sam
+I: 2439
diff --git a/HISTORY.rst b/HISTORY.rst
index 2aa985bfe..0b89edcaa 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -9,6 +9,8 @@ XXXX-XX-XX
 
 - 2427_: psutil (segfault) on import in the free-threaded (no GIL) version of
   Python 3.13.  (patch by Sam Gross)
+- 2439_: correct sensors_temperatures calculation for theraml_zone (patch by
+  Siena Richard)
 
 6.0.0
 ======