diff --git a/hosts/dionach.nix b/hosts/dionach.nix
index a3cba7a..db50edd 100644
--- a/hosts/dionach.nix
+++ b/hosts/dionach.nix
@@ -105,8 +105,9 @@
     pcmanfm
     pstree                        # Show the set of running processes as a tree
     pwgen
+    python37Packages.pygments
     pythonFull
-    python27Packages.restview     # ReStructuredText viewer
+    python37Packages.restview     # ReStructuredText viewer
     python37Packages.sphinx       # A tool that makes it easy to create intelligent and beautifulul documentation for Python projects
     radiotray-ng                  # Internet radio player
     rdiff-backup                  # External backups