diff --git a/manifest.toml b/manifest.toml
index df5b963..13a13c5 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -71,24 +71,36 @@ ram.runtime = "50M" # FIXME: replace with an **estimate** minimum ram requiremen
 
     [resources.apt]
     packages = [
-        "ntp",
-        "ntpdate",
-        "tzdata",
-        "curl",
         "git",
         "imagemagick",
-        "tzdata",
         "libc-dev",
-        "zlib1g-dev",
-        "xz-utils",
-        "postgresql",
-        "postgresql-common",
-        "postgresql-client",
         "libidn11-dev",
-        "redis-server",
-        "build-essential",
-        "patch",
         "libpq-dev",
+        "ntp",
+        "ntpdate",
+        "patch",
+        "postgresql-client",
+        "postgresql-common",
+        "postgresql",
+        "redis-server",
+        "tzdata",
+        "xz-utils",
+
+        # For Ruby
+
+        "libjemalloc-dev",
+        "curl",
+        "build-essential",
+        "libreadline-dev",
+        "zlib1g-dev",
+        "libsqlite3-dev",
+        "libssl-dev",
+        "libxml2-dev",
+        "libxslt-dev",
+        "autoconf",
+        "automake",
+        "bison",
+        "libtool",
     ]
 
     [resources.apt.extras.yarn]
diff --git a/scripts/ynh_install_ruby__2 b/scripts/ynh_install_ruby__2
index 2c56495..d70e5e2 100644
--- a/scripts/ynh_install_ruby__2
+++ b/scripts/ynh_install_ruby__2
@@ -216,7 +216,8 @@ ynh_install_ruby () {
         final_ruby_version=$ruby_version
     fi
     ynh_print_info --message="Installing Ruby-$final_ruby_version"
-    CONFIGURE_OPTS="--disable-install-doc --with-jemalloc" MAKE_OPTS="-j2" rbenv install --skip-existing $final_ruby_version > /dev/null 2>&1
+    CONFIGURE_OPTS="--disable-install-doc --with-jemalloc" MAKE_OPTS="-j2" rbenv install --skip-existing $final_ruby_version
+    # > /dev/null 2>&1
 
     # Store ruby_version into the config of this app
     ynh_app_setting_set --app=$YNH_APP_INSTANCE_NAME --key=ruby_version --value=$final_ruby_version