diff --git a/config.toml b/config.toml
index 1f9a93b..78aae71 100644
--- a/config.toml
+++ b/config.toml
@@ -11,6 +11,8 @@ paginate = 5
 # copyright = "Except where otherwise noted, content on this site is licensed under a [Creative Commons Attribution 4.0 International license](https://creativecommons.org/licenses/by-sa/4.0/)."
 #googleAnalytics = "UA-123-45"
 #disqusShortname = "XYW"
+pygmentsCodefences = true
+pygmentsUseClasses = true
 ignoreFiles = ["\\.Rmd$", "\\.Rmarkdown$", "_files$", "_cache$"]
 
 [permalinks]