diff --git a/Gemfile.lock b/Gemfile.lock
index 0f4221646..2fe0d58a1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
     activerecord (5.1.1)
       activemodel (= 5.1.1)
       activesupport (= 5.1.1)
-      arel (~> 6.0)
+      arel (~> 8.0)
     activesupport (5.1.1)
       i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)