diff --git a/Gemfile.lock b/Gemfile.lock
index fe2c7f61a5d..c7ad91f9ed7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -176,7 +176,7 @@ GEM
       image_size (>= 1.5, < 3)
       in_threads (~> 1.3)
       progress (~> 3.0, >= 3.0.1)
-    image_size (2.1.0)
+    image_size (2.1.1)
     in_threads (1.5.4)
     jmespath (1.4.0)
     jquery-rails (4.4.0)