diff --git a/CHANGELOG b/CHANGELOG
index fb4571f..717d3f5 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+# 1.2.8
+
+- add parameters for Singleron GEXSCOPE versions 1, 2, and 3 with barcodes whitelists and linker handling (https://github.com/minoda-lab/universc/issues/17)
+
 # 1.2.7
 
 - updates STRT-Seq to default to passing (undocumented) SC5P-R1 chemistry inputs to Cell Ranger