diff --git a/manifest.toml b/manifest.toml
index 53180e0..f128e2c 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -65,5 +65,9 @@ ram.runtime = "50M"
     [resources.apt]
     packages = "dialog apt-utils libssl-dev libxml2-dev libyaml-dev libgmp-dev libreadline-dev postgresql librsvg2-bin imagemagick libsqlite3-dev zlib1g-dev libevent-dev libpcre3-dev"
 
+    extras.crystal.repo = "deb http://download.opensuse.org/repositories/devel:/languages:/crystal/Debian_11/ /"
+    extras.crystal.key = "https://dl.yarnpkg.com/debian/pubkey.gpg"
+    extras.crystal.packages = "crystal"
+
     [resources.database]
     type = "postgresql"
diff --git a/scripts/install b/scripts/install
index 190be87..5e73b75 100644
--- a/scripts/install
+++ b/scripts/install
@@ -32,9 +32,9 @@ ynh_app_setting_set --app=$app --key=captcha_enabled --value=$captcha_enabled
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Installing dependencies..." --weight=15
+#ynh_script_progression --message="Installing dependencies..." --weight=15
 
-ynh_exec_warn_less curl -fsSL https://crystal-lang.org/install.sh | bash -s -- --channel=stable
+#ynh_exec_warn_less curl -fsSL https://crystal-lang.org/install.sh | bash -s -- --channel=stable
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE