diff --git a/debian/control b/debian/control
index e0a615d..f9abd04 100644
--- a/debian/control
+++ b/debian/control
@@ -7,6 +7,6 @@ Build-Depends: debhelper (>= 9)
 
 Package: mdcheckr
 Architecture: all
-Depends: ${shlibs:Depends}, ${misc:Depends}, pandoc, curl, libxml2-utils
+Depends: ${shlibs:Depends}, ${misc:Depends}, pandoc, curl, libxml2-utils, which
 Description:
  check markdown files for broken links and other errors