diff --git a/pkgs/by-name/of/offat/package.nix b/pkgs/by-name/of/offat/package.nix
index af338a75adb4..2f784f559e62 100644
--- a/pkgs/by-name/of/offat/package.nix
+++ b/pkgs/by-name/of/offat/package.nix
@@ -19,6 +19,7 @@ python3.pkgs.buildPythonApplication rec {
   sourceRoot = "${src.name}/src";
 
   pythonRelaxDeps = [
+    "rich"
     "setuptools"
     "tenacity"
   ];