diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8220413..a8f46fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,7 @@ Changes include:
 * improved speed of many CHT pipeline steps
 * improved stability of CHT dispersion parameter estimation
 * added Snakemake workflows for both mapping and CHT pipelines
+* added qqplot.R script to CHT workflow
 
 
 Version 0.1