diff --git a/docs/shell.nix b/docs/shell.nix
index ed0f982..44be49f 100644
--- a/docs/shell.nix
+++ b/docs/shell.nix
@@ -15,6 +15,7 @@ pkgs.mkShell {
 
   buildInputs = [
     pythonPackages
+    pkgs.pandoc
 
     # keep this line if you use bash
     pkgs.bashInteractive