diff --git a/Gemfile.lock b/Gemfile.lock
index 0a062691..c701c5f9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1076,7 +1076,7 @@ GEM
       actionpack (>= 4.2.0, < 6.0)
       railties (>= 4.2.0, < 6.0)
     rinku (2.0.6)
-    rmagick (3.2.0)
+    rmagick (4.0.0)
     rspec (3.8.0)
       rspec-core (~> 3.8.0)
       rspec-expectations (~> 3.8.0)