diff --git a/pkgs/applications/graphics/hydrus/default.nix b/pkgs/applications/graphics/hydrus/default.nix
index 37edc37337a8..ea67f8d52316 100644
--- a/pkgs/applications/graphics/hydrus/default.nix
+++ b/pkgs/applications/graphics/hydrus/default.nix
@@ -34,6 +34,7 @@ pythonPackages.buildPythonPackage rec {
     psutil
     pyopenssl
     pyyaml
+    pylzma
     requests
     send2trash
     service-identity