diff --git a/debian/control b/debian/control
index b53e4a0..8058f4f 100644
--- a/debian/control
+++ b/debian/control
@@ -10,7 +10,8 @@ Homepage: https://pypi.python.org/pypi/skyfield/
 
 Package: python3-skyfield
 Architecture: all
-Depends: ${python3:Depends}, ${misc:Depends}
+Depends: python3-jplephem, python3-numpy, python3-sgp4, ${python3:Depends}, ${misc:Depends}
+Recommends: python3-skyfield-data
 Description: Library for astronomical computations
  Skyfield is a pure-Python astronomy package that makes it easy to
  generate high precision research-grade positions for planets and