diff --git a/docs/ACKNOWLEDGEMENTS.md b/docs/ACKNOWLEDGEMENTS.md
index 8d0d94b..4819aa7 100644
--- a/docs/ACKNOWLEDGEMENTS.md
+++ b/docs/ACKNOWLEDGEMENTS.md
@@ -99,6 +99,7 @@ is acknowledged and greatly appreciated:
  * Venky.N.Iyer - suggested **--stats** ([#49](https://codeberg.org/a-j-wood/pv/issues/49))
  * Roland Kletzing - suggested **--rate** with **--numeric** ([#17](https://codeberg.org/a-j-wood/pv/issues/17))
  * [Michael Mior](https://codeberg.org/michaelmior) - suggested **--store-and-forward** ([#100](https://codeberg.org/a-j-wood/pv/issues/100))
+ * [dbungert](https://codeberg.org/dbungert) - reported issue with *valgrind* 3.23 misreporting leaking file descriptors ([#97](https://codeberg.org/a-j-wood/pv/issues/97))
 
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