1 files changed, 1 insertions, 1 deletions

diff --git a/README b/README
index 0f976fe..c84d000 100644
--- a/README
+++ b/README
@@ -14,7 +14,7 @@ Requisites:
 
 - PDFTeX with color.tex, miniltx.tex (installed with TeX Live)
 
-- SciPy, Matplotlib, numpy (Python libraries)
+- SciPy, Matplotlib, numpy, pillow (Python libraries)
 
 - Ghostscript for PNG building