diff --git a/annotation/annotation_data/cdot_update.sh b/annotation/annotation_data/cdot_update.sh
index 01a86b122..5ea4563f4 100755
--- a/annotation/annotation_data/cdot_update.sh
+++ b/annotation/annotation_data/cdot_update.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-CDOT_VERSION=0.2.20
+CDOT_VERSION=0.2.21
 THIS_DIR=$(realpath "$(dirname "${BASH_SOURCE[0]}")")
 VG_DIR=${THIS_DIR}/../..
 DOWNLOAD_DIR=/tmp