diff --git a/Gemfile.lock b/Gemfile.lock
index a3acf6fa71..e13d8120eb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,7 +42,7 @@ GEM
       nokogiri (>= 1.4)
     i18n (1.14.6)
       concurrent-ruby (~> 1.0)
-    image_optim (0.31.3)
+    image_optim (0.31.4)
       exifr (~> 1.2, >= 1.2.2)
       fspath (~> 3.0)
       image_size (>= 1.5, < 4)