diff --git a/manifest.toml b/manifest.toml
index 98fdd7a..2204afb 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -79,7 +79,6 @@ ram.runtime = "2000M"
         "libgmp-dev",
         "libssl-dev",
         # For Ruby
-        "libjemalloc-dev",
         "curl",
         "build-essential",
         "libreadline-dev",
diff --git a/scripts/ynh_install_ruby__2 b/scripts/ynh_install_ruby__2
index cd923f0..15182d8 100644
--- a/scripts/ynh_install_ruby__2
+++ b/scripts/ynh_install_ruby__2
@@ -15,7 +15,7 @@ export RBENV_ROOT="$rbenv_install_dir"
 export rbenv_root="$rbenv_install_dir"
 
 ruby_dependencies=""
-build_ruby_dependencies="libjemalloc-dev curl build-essential libreadline-dev zlib1g-dev libsqlite3-dev libssl-dev libxml2-dev libxslt-dev autoconf automake bison libtool"
+build_ruby_dependencies="curl build-essential libreadline-dev zlib1g-dev libsqlite3-dev libssl-dev libxml2-dev libxslt-dev autoconf automake bison libtool"
 pkg_dependencies="$pkg_dependencies $ruby_dependencies"
 build_pkg_dependencies="$build_pkg_dependencies $build_ruby_dependencies"