diff --git a/Gemfile.lock b/Gemfile.lock
index 15effdb2..f051d54a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -76,7 +76,7 @@ GEM
       railties (>= 4.0)
     arel (7.1.4)
     ast (2.4.0)
-    autoprefixer-rails (7.1.1)
+    autoprefixer-rails (9.1.3)
       execjs
     awesome_nested_set (3.1.4)
       activerecord (>= 4.0.0, < 5.3)
@@ -171,7 +171,7 @@ GEM
       railties (>= 3.2, < 6.0)
     errbase (0.1.0)
     erubis (2.7.0)
-    execjs (2.6.0)
+    execjs (2.7.0)
     factory_girl (4.5.0)
       activesupport (>= 3.0.0)
     factory_girl_rails (4.6.0)