diff --git a/README.Rmd b/README.Rmd
index e53e0c3..d20e2d5 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -72,5 +72,5 @@ ggplot(volcano, aes(x = x, y = y, fill = height)) +
 ```
 
 ## References
-- Crameri, Fabio. (2018, May 8). *Scientific colour maps (Version 3.0.1)*. Zenodo. doi: 10.5281/zenodo.1243909
+- Crameri, Fabio. (2023, October 5). *Scientific colour maps (Version 8.0.1)*. Zenodo. doi: 10.5281/zenodo.8409685
 - Crameri, Fabio. (2018). *Geodynamic diagnostics, scientific visualisation and StagLab 3.0*. Geosci. Model Dev. Discuss. doi: 10.5194/gmd-2017-328