diff --git a/requirements.txt b/requirements.txt
index 8d005b8..de37c40 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,5 @@ pymatting
 segment_anything
 timm
 addict
-yapf
\ No newline at end of file
+yapf
+colour-science
\ No newline at end of file