diff --git a/README.md b/README.md
index 2582275..fe1a51e 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ Chitchatter is a free (as in both price and freedom) communication tool. It is d
 - Ephemeral
 - Decentralized 
 
-**Shipped version:** 1.0~ynh4
+**Shipped version:** 1.0~ynh5
 
 **Demo:** https://chitchatter.im/
 
diff --git a/README_fr.md b/README_fr.md
index f130e72..f54cb06 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -27,7 +27,7 @@ Chitchatter is a free (as in both price and freedom) communication tool. It is d
 - Ephemeral
 - Decentralized 
 
-**Version incluse :** 1.0~ynh4
+**Version incluse :** 1.0~ynh5
 
 **Démo :** https://chitchatter.im/
 
diff --git a/check_process b/check_process
deleted file mode 100644
index a55c27f..0000000
--- a/check_process
+++ /dev/null
@@ -1,24 +0,0 @@
-;; Test complet
-	; Manifest
-		domain="domain.tld"
-		path="/"
-		is_public=1
-	; Checks
-		pkg_linter=1
-		setup_sub_dir=0
-		setup_root=1
-		setup_nourl=0
-		setup_private=1
-		setup_public=1
-		upgrade=1
-		#upgrade=1	from_commit=CommitHash
-		backup_restore=1
-		multi_instance=1
-		change_url=1
-;;; Options
-Email=
-Notification=none
-;;; Upgrade options
-	; commit=CommitHash
-		name=Name and date of the commit.
-		manifest_arg=domain=DOMAIN&path=PATH&is_public=1&language=fr&admin=USER&password=pass&port=666&
diff --git a/conf/app.src b/conf/app.src
deleted file mode 100644
index 7a77464..0000000
--- a/conf/app.src
+++ /dev/null
@@ -1,7 +0,0 @@
-SOURCE_URL=https://github.com/jeremyckahn/chitchatter/archive/99a9ab783815e3bddeebd0de8ad74d010e5162b1.tar.gz
-SOURCE_SUM=35d5521e0e96f9271f2437bae29af1f7edfe293d80be4353fbefdcccdbfe8258
-SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=tar.gz
-SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=chitchatter
-SOURCE_EXTRACT=true
diff --git a/manifest.toml b/manifest.toml
index de04411..c42ca14 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -5,7 +5,7 @@ name = "Chitchatter"
 description.en = "Peer-to-peer chat that is serverless, decentralized, and ephemeral"
 description.fr = "Chat peer-to-peer sans serveur, décentralisée et éphémère"
 
-version = "1.0~ynh4"
+version = "1.0~ynh5"
 
 maintainers = ["eric_G"]
 
@@ -16,13 +16,13 @@ demo = "https://chitchatter.im/"
 code = "https://github.com/jeremyckahn/chitchatter"
 
 [integration]
-yunohost = ">= 11.1.11"
+yunohost = ">= 11.1.15"
 architectures = "all"
 multi_instance = true
 ldap = false
 sso = false
 disk = "50M"
-ram.build = "50M"
+ram.build = "2800M"
 ram.runtime = "50M"
 
 [install]
@@ -35,6 +35,7 @@ ram.runtime = "50M"
     default = "visitors"
 
 [resources]
+
     [resources.system_user]
 
     [resources.install_dir]
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 05b2ccf..e19e0bb 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -8,6 +8,7 @@
 
 # nodejs version
 nodejs_version=16
+version_commit=442f5406ec26d001798c1a2b5a5d9a05fdc77459
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/install b/scripts/install
index 936b8f0..7163eeb 100755
--- a/scripts/install
+++ b/scripts/install
@@ -21,10 +21,18 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 #=================================================
 ynh_script_progression --message="Setting up source files..." --weight=4
 
-# Download, check integrity, uncompress and patch the source from GitHub
-ynh_setup_source --dest_dir="$install_dir"
+mkdir -p "$install_dir"
+chown -R $app:www-data "$install_dir"
+
+git config --system --add safe.directory $install_dir
+
+# Download, check integrity, uncompress and patch the source from GitHub
+git clone https://github.com/jeremyckahn/chitchatter "$install_dir" --quiet
+
+pushd "$install_dir"
+	git reset --hard --quiet $version_commit
+popd
 
-chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 8d751be..c632857 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,13 +21,18 @@ upgrade_type=$(ynh_check_app_version_changed)
 
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
-	ynh_script_progression --message="Upgrading source files..." --weight=1
+	ynh_script_progression --message="Upgrading source files..." --weight=5
 
-	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$install_dir"
+	pushd $install_dir
+		chown -R $app:www-data "$install_dir"
+		git config --system --add safe.directory $install_dir
+		
+		ynh_exec_as $app git fetch
+    	ynh_exec_as $app git reset --hard --quiet $version_commit
+		ynh_exec_as $app git pull
+	popd
 fi
 
-chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"