diff --git a/scripts/install b/scripts/install
index 366ef6e..e1ea2bc 100644
--- a/scripts/install
+++ b/scripts/install
@@ -66,9 +66,6 @@ ynh_app_setting_set --app=$app --key=port --value=$port
 #=================================================
 ynh_script_progression --message="Installing dependencies..." --weight=9
 
-# Install Crystal
-#ynh_install_extra_app_dependencies --repo="deb https://dist.crystal-lang.org/apt crystal main" --package="crystal" --key="https://keybase.io/crystal/pgp_keys.asc"
-
 ynh_exec_warn_less apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 379CE192D401AB61
 ynh_install_extra_repo --repo="deb https://dl.bintray.com/crystal/deb all stable" --append
 
diff --git a/scripts/upgrade b/scripts/upgrade
index c2c5863..5d01812 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -60,10 +60,10 @@ ynh_systemd_action --service_name=$app --action=stop --log_path=systemd
 #=================================================
 ynh_script_progression --message="Upgrading dependencies..." --weight=8
 
-ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
+ynh_exec_warn_less apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 379CE192D401AB61
+ynh_install_extra_repo --repo="deb https://dl.bintray.com/crystal/deb all stable" --append
 
-# Install Crystal
-ynh_install_extra_app_dependencies --repo="deb https://dist.crystal-lang.org/apt crystal main" --package="crystal" --key="https://keybase.io/crystal/pgp_keys.asc"
+ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE