diff --git a/Gemfile.lock b/Gemfile.lock
index 3e8fcfb..55900db 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -225,7 +225,7 @@ GEM
     quick_search-placeholder_searcher (0.0.1)
       quick_search-core (~> 0)
     quick_search-wikipedia_searcher (0.0.1)
-    rack (2.0.8)
+    rack (2.1.4)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.3)