diff --git a/pkgs/tools/admin/cdist/default.nix b/pkgs/tools/admin/cdist/default.nix
index 115800fcf2c5..8467605727c9 100644
--- a/pkgs/tools/admin/cdist/default.nix
+++ b/pkgs/tools/admin/cdist/default.nix
@@ -2,6 +2,7 @@
 , buildPythonApplication
 , fetchFromGitea
 , pythonImportsCheckHook
+, six
 , sphinxHook
 , sphinx-rtd-theme
 }:
@@ -21,6 +22,7 @@ buildPythonApplication rec {
 
   nativeBuildInputs = [
     pythonImportsCheckHook
+    six
     sphinxHook
     sphinx-rtd-theme
   ];