diff --git a/DESCRIPTION b/DESCRIPTION
index e9c3286..331cf78 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: ichorCNA
 Type: Package
 Title: A tool for estimating the fraction of tumor in ultra-low-pass whole genome sequencing (ULP-WGS) of cell-free DNA
-Version: 0.5.0
-Date: 2022-09-08
+Version: 0.5.1
+Date: 2024-02-05
 Author: Gavin Ha, 
 Maintainer: Gavin Ha <gha@fredhutch.org>
 Depends: R (>= 4.2)
@@ -16,7 +16,7 @@ Imports:
   BSgenome.Hsapiens.UCSC.hg19 (>= 1.4.3),
   BSgenome.Hsapiens.UCSC.hg38 (>= 1.4.5),
   ggplot2 (>= 3.4.3),
-  stringr (>= 1.5.0)
+  stringr (>= 1.5.0),
   data.table (>= 1.14),
   plyr (>= 1.8)
 Description: A tool for estimating the fraction of tumor in ultra-low-pass whole genome sequencing (ULP-WGS) of cell-free DNA.