diff --git a/conf/app.src b/conf/app.src
deleted file mode 100644
index e69de29..0000000
diff --git a/manifest.json b/manifest.json
index 1bdb248..0e21726 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Alternative front-end to YouTube",
         "fr": "Front-end alternatif à YouTube"
     },
-    "version": "0.20.1~ynh11",
+    "version": "28.07.21~ynh1",
     "url": "https://invidio.us/",
     "upstream": {
         "license": "GPL-3.0-only",
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 04a4ba1..62db077 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,6 +4,8 @@
 # COMMON VARIABLES
 #=================================================
 
+version_commit=5c76cdaad9da2330311e78fc4e451c40e88a9598
+
 # dependencies used by the app
 pkg_dependencies="apt-transport-https libssl-dev libxml2-dev libyaml-dev libgmp-dev libreadline-dev postgresql librsvg2-bin libsqlite3-dev zlib1g-dev libevent-dev pkg-config libpcre3-dev"
 
diff --git a/scripts/install b/scripts/install
index 24c23d9..dba2426 100644
--- a/scripts/install
+++ b/scripts/install
@@ -101,6 +101,10 @@ ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 # Download, check integrity, uncompress and patch the source from GitHub
 git clone https://github.com/iv-org/invidious "$final_path" --quiet
 
+pushd "$final_path"
+	git reset --hard --quiet $version_commit
+popd
+
 for i in $final_path/config/sql/*.sql ; do
 	ynh_replace_string --match_string="kemal" --replace_string=$db_user --target_file="$i" ;
 	ynh_psql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < "$i" ;
diff --git a/scripts/upgrade b/scripts/upgrade
index e7bd86e..67f43d5 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -104,7 +104,10 @@ then
 
 	#git clone https://github.com/iv-org/invidious "$final_path" --quiet
 	pushd $final_path
+		git fetch
+      	git checkout master
 		git pull
+		git reset --hard --quiet $version_commit
 		shards update && shards install
 		crystal build $final_path/src/invidious.cr --release
 	popd