diff --git a/hdl/CHANGELOG b/hdl/CHANGELOG
index 311421cca..183bcdd2f 100644
--- a/hdl/CHANGELOG
+++ b/hdl/CHANGELOG
@@ -5,6 +5,12 @@ For more detailed information, please see the git change log and issue tracker
 hosted on GitHub: https://github.com/nuand/bladeRF
 ================================================================================
 
+v0.3.1 (2015-06-17)
+--------------------------------
+ * Added faster, custom SPI block for LMS6 communication.
+    - This custom block removes large gaps of time between CSn and the clocking
+      of data, as well as gaps of time between bytes.
+
 v0.3.0 (2015-06-17)
 --------------------------------
  This version is part of development series of changes, not an official release.