diff --git a/Gemfile.lock b/Gemfile.lock
index e96542a..73296bd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ GEM
       tomlrb (>= 1.3, < 2.1)
       with_env (= 1.1.0)
       xml-simple (~> 1.1.9)
-    racc (1.7.3)
+    racc (1.8.0)
     rexml (3.2.8)
       strscan (>= 3.0.9)
     rubyzip (2.3.2)