diff --git a/programming/language/python3/python3-pillow/pspec.xml b/programming/language/python3/python3-pillow/pspec.xml
index e119ffe4cb..26c7a9738d 100644
--- a/programming/language/python3/python3-pillow/pspec.xml
+++ b/programming/language/python3/python3-pillow/pspec.xml
@@ -35,6 +35,7 @@
python3-pycparser
python3-sphinx_rtd_theme
python3-charset-normalizer
+ python3-sphinx-copybutton