diff --git a/skyscan-c2/pyproject.toml b/skyscan-c2/pyproject.toml
index cf061cc..09ef35d 100644
--- a/skyscan-c2/pyproject.toml
+++ b/skyscan-c2/pyproject.toml
@@ -9,7 +9,7 @@ license = "Apache 2.0"
 python = "^3.10"
 schedule = "^1.1.0"
 pandas = "^2.0.3"
-numpy-quaternion = "2022.4.2"
+numpy-quaternion = "2023.0.2"
 
 [tool.poetry.dev-dependencies]