diff --git a/nvidia-open-driver-G06-signed.changes b/nvidia-open-driver-G06-signed.changes
index 6542aa1..e4aedfb 100644
--- a/nvidia-open-driver-G06-signed.changes
+++ b/nvidia-open-driver-G06-signed.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Oct  2 15:21:44 UTC 2023 - Stefan Dirsch <sndirsch@suse.com>
+
+- preamble: added conflict to nvidia-gfxG05-kmp to prevent users
+  from accidently installing conflicting proprietary kernelspace
+  drivers from CUDA repository
+
 -------------------------------------------------------------------
 Fri Sep 22 09:42:10 UTC 2023 - Stefan Dirsch <sndirsch@suse.com>
 
diff --git a/preamble b/preamble
index cb2b178..866a1a6 100644
--- a/preamble
+++ b/preamble
@@ -1,4 +1,4 @@
 Requires: kernel-firmware-nvidia-gspx-G06 = %{-v*}
 Requires: perl-Bootloader
-Conflicts: nvidia-gfxG06-kmp nvidia-driver-G06-kmp nvidia-open-driver-G06-kmp
+Conflicts: nvidia-gfxG06-kmp nvidia-driver-G06-kmp nvidia-open-driver-G06-kmp nvidia-gfxG05-kmp
 Requires: group(video)