diff --git a/Gemfile.lock b/Gemfile.lock
index ca6f689b..60aa3da9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -34,7 +34,7 @@ GEM
       nokogiri (>= 1.4)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    image_optim (0.31.1)
+    image_optim (0.31.3)
       exifr (~> 1.2, >= 1.2.2)
       fspath (~> 3.0)
       image_size (>= 1.5, < 4)