diff --git a/spec/bundler/support/helpers.rb b/spec/bundler/support/helpers.rb
index 959720ed05..411d634bbf 100644
--- a/spec/bundler/support/helpers.rb
+++ b/spec/bundler/support/helpers.rb
@@ -186,6 +186,12 @@ module Spec
       env = options[:env] || {}
       env["RUBYOPT"] = opt_add(opt_add("-r#{spec_dir}/support/hax.rb", env["RUBYOPT"]), ENV["RUBYOPT"])
       options[:env] = env
+
+      # Sometimes `gem install` commands hang at dns resolution, which has a
+      # default timeout of 60 seconds. When that happens, the timeout for a
+      # command is expired too. So give `gem install` commands a bit more time.
+      options[:timeout] = 120
+
       output = sys_exec("#{Path.gem_bin} #{command}", options)
       stderr = last_command.stderr
       raise stderr if stderr.include?("WARNING") && !allowed_rubygems_warning?(stderr)
diff --git a/spec/bundler/support/subprocess.rb b/spec/bundler/support/subprocess.rb
index ade18e7805..a4842166b9 100644
--- a/spec/bundler/support/subprocess.rb
+++ b/spec/bundler/support/subprocess.rb
@@ -34,7 +34,7 @@ module Spec
       dir = options[:dir]
       env = options[:env] || {}
 
-      command_execution = CommandExecution.new(cmd.to_s, working_directory: dir, timeout: 60)
+      command_execution = CommandExecution.new(cmd.to_s, working_directory: dir, timeout: options[:timeout] || 60)
 
       require "open3"
       require "shellwords"