diff -u kdeedu-4.1.2/debian/control kdeedu-4.1.2/debian/control
--- kdeedu-4.1.2/debian/control
+++ kdeedu-4.1.2/debian/control
@@ -490,6 +490,8 @@
 Package: step
 Architecture: any
 Section: kde
+Conflicts: step-kde4
+Replaces: step-kde4
 Depends: ${shlibs:Depends}
 Description: interactive physics simulator
  With Step you can not only learn but feel how physics works!
diff -u kdeedu-4.1.2/debian/changelog kdeedu-4.1.2/debian/changelog
--- kdeedu-4.1.2/debian/changelog
+++ kdeedu-4.1.2/debian/changelog
@@ -1,3 +1,9 @@
+kdeedu (4:4.1.2-0ubuntu3) intrepid; urgency=low
+
+  * Add step conflicts and replaces step-kde4
+
+ -- Terence Simpson <tsimpson@ubuntu.com>  Sun, 26 Oct 2008 01:11:50 +0100
+
 kdeedu (4:4.1.2-0ubuntu2) intrepid; urgency=low
 
   * debian/control: