diff --git a/spec/bundler/multilock_spec.rb b/spec/bundler/multilock_spec.rb
index 8ee2dd0..774c4d5 100644
--- a/spec/bundler/multilock_spec.rb
+++ b/spec/bundler/multilock_spec.rb
@@ -36,7 +36,7 @@
 
         source "https://rubygems.org"
 
-        plugin "bundler-multilock", "~> 1.2"
+        plugin "bundler-multilock", "~> #{Gem::Version.new(Bundler::Multilock::VERSION).segments[0..1].join(".")}"
         return unless Plugin.installed?("bundler-multilock")
 
         Plugin.send(:load_plugin, "bundler-multilock")