diff --git a/devshells/markdown.nix b/devshells/markdown.nix
index 57706de..8fcaa55 100644
--- a/devshells/markdown.nix
+++ b/devshells/markdown.nix
@@ -18,6 +18,7 @@
             mdformat-gfm
             mdformat-tables
             mdformat-footnote
+            pygments
           ]))
       ];
     };