diff --git a/.gitignore b/.gitignore
index f149668..357c3d6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1 @@
-nebula-0.2.3.tar.gz
-/nebula-0.2.3.tar.bz2
 /nebula-1.5.2.tar.gz
diff --git a/nebula.spec b/nebula.spec
index 2060544..8738b08 100644
--- a/nebula.spec
+++ b/nebula.spec
@@ -25,6 +25,9 @@ Source0:        %{gosource}
 
 BuildRequires:  systemd-rpm-macros
 
+# Let's be sure that people do not upgrade from the "old" nebula. We can sensibly drop it by F39
+Conflicts:      nebula < 1.0
+
 %description
 %{common_description}