diff --git a/conf/app.src b/conf/app.src
index 9738c1b..340b645 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,7 +1,6 @@
-SOURCE_URL=https://github.com/matrix-org/dendrite/archive/v0.5.0.zip
-SOURCE_SUM=0e2923f19c90b808a1cd8bed3649cbd3c6b29ceb9c8d35716c92890a40d70c5b
+SOURCE_URL=https://github.com/matrix-org/dendrite/archive/v0.5.1.zip
+SOURCE_SUM=8df61627d3209f4ff529cbac8318a3a9da274de527f858fdb72578988a5aeefe
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
 SOURCE_EXTRACT=true
diff --git a/manifest.json b/manifest.json
index 6dfc185..221f315 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,13 +6,12 @@
         "en": "Matrix homeserver of second generation",
         "fr": "Serveur Matrix de seconde génération"
     },
-    "version": "0.5.0~ynh1",
+    "version": "0.5.1~ynh1",
     "url": "https://matrix.org/",
     "upstream": {
         "license": "Apache-2.0",
         "website": "https://matrix.org/",
         "admindoc": "https://github.com/matrix-org/dendrite/tree/master/docs",
-        "userdoc": "https://yunohost.org/apps",
         "code": "https://github.com/matrix-org/dendrite"
     },
     "license": "Apache-2.0",
@@ -21,7 +20,7 @@
         "email": "tituspijean@outlook.com"
     },
     "requirements": {
-        "yunohost": ">= 4.1.7"
+        "yunohost": ">= 4.3.0"
     },
     "multi_instance": true,
     "services": [
diff --git a/scripts/install b/scripts/install
index e6626f7..d03d6b6 100644
--- a/scripts/install
+++ b/scripts/install
@@ -129,7 +129,7 @@ adduser $app ssl-cert
 # BUILDING SOURCES AND SETTING UP THE SERVER
 #=================================================
 
-pushd "$final_path" || ynh_die
+pushd "$final_path"
 	ynh_script_progression --message="Building the sources (it will take some time)..." --weight=6
 	# Build the sources
 	mkdir ./bin
@@ -139,7 +139,7 @@ pushd "$final_path" || ynh_die
 	./bin/generate-keys --private-key matrix_key.pem
 	# Generate a self-signed certificate
 	./bin/generate-keys --tls-cert server.crt --tls-key server.key
-popd || ynh_die
+popd
 
 # Allow or deny registration based of is_public
 registration=false
diff --git a/scripts/upgrade b/scripts/upgrade
index d4fa3a3..f490dbc 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -70,7 +70,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=3
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$final_path"
+	ynh_setup_source --dest_dir="$final_path" --keep="$final_path/dendrite.yaml"
 fi
 
 #=================================================
@@ -112,11 +112,11 @@ ynh_system_user_create --username=$app
 # BUILDING SOURCES AND SETTING UP THE SERVER
 #=================================================
 
-pushd "$final_path" || ynh_die
+pushd "$final_path"
         ynh_script_progression --message="Building the sources (it will take some time)..." --weight=6
         # Build the sources
         ynh_exec_warn_less ./build.sh
-popd || ynh_die
+popd
 
 #=================================================
 # SETUP SYSTEMD
@@ -126,10 +126,6 @@ ynh_script_progression --message="Upgrading systemd configuration..." --weight=1
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
-#=================================================
-# MODIFY A CONFIG FILE
-#=================================================
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================