diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index e42a8bed..55374d18 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -1,4 +1,4 @@
-Version 3.3d2
+Version 3.3d3
 ====
 Modify the code that synchronises the Shairport Sync system's clock with the source clock to try to take account of the sources's nominal rate, which (oddly, e.g. iTunes on a Mac) might not be exactly 44,100 fps. Also try to interpolate for the measured drift between the standard three-second timing snapshots. These changes make a very slight difference from time to time, of the order of microseconds, and it's not clear yet how reliable the drift interpolation is.