diff --git a/scripts/restore b/scripts/restore
index 2636d09..2dc3a48 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -120,7 +120,7 @@ ynh_script_progression --message="Building app..." --weight=1
 
 pushd $final_path
 	ynh_use_ruby
-	ynh_exec_warn_less $ynh_gem install bundler
+	ynh_exec_warn_less $ynh_gem install "bundler:$bundler_version"
 	ynh_exec_warn_less bin/bundle config --global frozen 1
 	ynh_exec_warn_less bin/bundle config set --local without 'development test doc'
 	ynh_exec_warn_less bin/bundle install
diff --git a/scripts/upgrade b/scripts/upgrade
index 846d5e0..f2ca081 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -166,7 +166,7 @@ then
 		ynh_secure_remove --file="$final_path/node_modules"
 		ynh_secure_remove --file="$final_path/tmp/cache"
 		ynh_use_ruby
-		ynh_exec_warn_less $ynh_gem install bundler
+		ynh_exec_warn_less $ynh_gem install "bundler:$bundler_version"
 		ynh_exec_warn_less bin/bundle config --global frozen 1
 		ynh_exec_warn_less bin/bundle config set --local without 'development test doc'
 		ynh_exec_warn_less bin/bundle install