diff --git a/pkgs/applications/misc/octoprint/default.nix b/pkgs/applications/misc/octoprint/default.nix
index 4a5ec16f3e34..513e0882d5a6 100644
--- a/pkgs/applications/misc/octoprint/default.nix
+++ b/pkgs/applications/misc/octoprint/default.nix
@@ -32,14 +32,17 @@ let
     "flask"
     "future"
     "futures"
+    "monotonic"
     "pkginfo"
     "psutil"
     "pyserial"
     "python-dateutil"
     "requests"
     "rsa"
+    "sarge"
     "scandir"
     "semantic_version"
+    "watchdog"
     "websocket-client"
     "werkzeug"
     "wrapt"