diff --git a/components/s3_mpeg/Gemfile.lock b/components/s3_mpeg/Gemfile.lock
index 29860cd6c..9b4b9596c 100644
--- a/components/s3_mpeg/Gemfile.lock
+++ b/components/s3_mpeg/Gemfile.lock
@@ -21,7 +21,8 @@ GEM
     docile (1.4.0)
     jmespath (1.6.2)
     ox (2.14.18)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -44,6 +45,7 @@ GEM
       simplecov (~> 0.19)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
+    strscan (3.1.0)
 
 PLATFORMS
   ruby