diff --git a/Gemfile.lock b/Gemfile.lock
index 5779c2f26..3467f81ab 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -135,7 +135,7 @@ GEM
       rails (>= 4.2)
       redcarpet (~> 3.2)
     crass (1.0.6)
-    cssbundling-rails (1.4.0)
+    cssbundling-rails (1.4.1)
       railties (>= 6.0.0)
     csv (3.3.0)
     date (3.3.4)