diff --git a/pkgs/servers/web-apps/changedetection-io/default.nix b/pkgs/servers/web-apps/changedetection-io/default.nix
index 55d27b196362..3ddc34fd95a3 100644
--- a/pkgs/servers/web-apps/changedetection-io/default.nix
+++ b/pkgs/servers/web-apps/changedetection-io/default.nix
@@ -33,6 +33,7 @@ python3.pkgs.buildPythonApplication rec {
     chardet
     cryptography
     dnspython
+    elementpath
     eventlet
     feedgen
     flask