diff --git a/README.md b/README.md
index 551bba0..c9fc2cd 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,4 @@
 - Tkinter 8.6
 - Pillow 9.2.0
 - ruamel.yaml 0.17.21
+- numpy-quaternion 2022.4.2