diff --git a/pkgs/tools/networking/dd-agent/default.nix b/pkgs/tools/networking/dd-agent/default.nix
index a835e3c11b16..c706984e8356 100644
--- a/pkgs/tools/networking/dd-agent/default.nix
+++ b/pkgs/tools/networking/dd-agent/default.nix
@@ -23,6 +23,7 @@ stdenv.mkDerivation rec {
     pythonPackages.pyyaml
     pythonPackages.requests
     pythonPackages.pymongo
+    pythonPackages.docker
   ];
   propagatedBuildInputs = [ python tornado ];