diff --git a/BLORAND-CA_Root.crt b/BLORAND-CA_Root.crt
new file mode 100644
index 0000000..75212bc
--- /dev/null
+++ b/BLORAND-CA_Root.crt
@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/blorand.gpg b/blorand.gpg
new file mode 100644
index 0000000..f0a94fa
Binary files /dev/null and b/blorand.gpg differ
diff --git a/blorand.list b/blorand.list
new file mode 100644
index 0000000..20aaae3
--- /dev/null
+++ b/blorand.list
@@ -0,0 +1 @@
+deb [signed-by=/etc/apt/keyrings/blorand.gpg] http://repo.blorand.org/apt/debian stable main
diff --git a/debian/changelog b/debian/changelog
index c966083..2e6a83c 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,22 @@
+blorand (1.2.2) stable; urgency=medium
+
+  * Add Keyrings en list file for future update
+
+ -- Benoit LORAND <benoit.lorand@blorand.org>  Fri, 22 Aug 2025 16:31:23 +0200
+
+blorand (1.2.1) stable; urgency=medium
+
+  * ADD BLORAND CA root certificate declaration
+
+ -- Benoit LORAND <benoit.lorand@blorand.org>  Fri, 22 Aug 2025 15:32:34 +0200
+
+blorand (1.2) UNRELEASED; urgency=medium
+
+  * Déclaration de l'image de background dans /etc/default/grub.d/blorand.cfg
+  * De la sorte, l'image le saute pas lors des mises à jour de grub
+
+ -- Benoit LORAND <benoit.lorand@blorand.org>  Fri, 22 Aug 2025 15:11:47 +0200
+
 blorand (1.1) stable; urgency=medium
 
   * Correction de typo qui gêne l'installation du package lors de la phase
diff --git a/debian/control b/debian/control
index 8b45f25..5a12832 100644
--- a/debian/control
+++ b/debian/control
@@ -1,5 +1,5 @@
 Source: blorand
-Maintainer: Benoit LORAND <benoit.lorand@blorand.fr>
+Maintainer: Benoit LORAND <benoit.lorand@blorand.org>
 Section: misc
 Priority: optional
 Standards-Version: 3.9.2
@@ -17,15 +17,14 @@ Depends: ${shlibs:Depends},
 	tmux,
 	iftop,
 	tcpdump,
-	net-tools
+	net-tools,
+	ca-certificates
 Suggests: blorand-plymouth-theme,
 	clamav,
 	clamav-daemon,
 	snmpd,
 	failban,
 	autossh
-Conflicts: provectio
-Replaces: provectio
 Section: Personnalisation_BLORAND
 Priority: optional
 Description: Personnalisation du système Debian
diff --git a/debian/postinst b/debian/postinst
index 4b5f6b0..1daf278 100755
--- a/debian/postinst
+++ b/debian/postinst
@@ -5,13 +5,15 @@ set -e
 case "$1" in
 configure)
 	if [ -e /usr/sbin/grub-mkconfig ] ; then
-		GRUBDEFAULT="/etc/default/grub"
+		GRUBDEFAULT="/etc/default/grub.d/blorand.cfg"
 		if [ -e "$GRUBDEFAULT" ] ; then
 			if (grep '^GRUB_BACKGROUND' "$GRUBDEFAULT" > /dev/null 2>&1) ; then
 				sed -i 's@^GRUB_BACKGROUND.*$@GRUB_BACKGROUND="/usr/share/blorand/blorand.png"@g' "$GRUBDEFAULT"
 			else
 				echo 'GRUB_BACKGROUND="/usr/share/blorand/blorand.png"' >> "$GRUBDEFAULT"
 			fi
+		else
+			echo 'GRUB_BACKGROUND="/usr/share/blorand/blorand.png"' >> "$GRUBDEFAULT"
 		fi
 		/usr/sbin/grub-mkconfig -o /boot/grub/grub.cfg
 	fi
@@ -22,7 +24,9 @@ configure)
 		fi
 	done
 
+	install -Dvm 0644 /usr/share/blorand/BLORAND-CA_Root.crt /usr/local/share/ca-certificates/extra/BLORAND-CA_Root.crt
 	install -Dvm 0755 /usr/share/blorand/blorand.profile /etc/profile.d/blorand.sh
+	/usr/sbin/update-ca-certificates
 
 	;;
 
diff --git a/debian/rules b/debian/rules
index 3640eb4..45d25ab 100755
--- a/debian/rules
+++ b/debian/rules
@@ -6,4 +6,6 @@ override_dh_auto_install:
 	install -D -m 0644 blorand.png $$(pwd)/debian/blorand/usr/share/blorand/blorand.png
 	install -D -m 0644 blorand.profile $$(pwd)/debian/blorand/usr/share/blorand/blorand.profile
 	install -D -m 0644 vimrc.blorand $$(pwd)/debian/blorand/usr/share/blorand/vimrc.blorand
-
+	install -D -m 0644 BLORAND-CA_Root.crt $$(pwd)/debian/blorand/usr/share/blorand/BLORAND-CA_Root.crt
+	install -D -m 0644 BLORAND.gpg $$(pwd)/debian/blorand/etc/apt/keyrings/blorand.gpg
+	install -D -m 0644 BLORAND.list $$(pwd)/debian/blorand/etc/apt/sources.list.d/blorand.list