diff --git a/Gemfile.lock b/Gemfile.lock
index c8d1edd1a..7fdef3710 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -379,7 +379,7 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.3.2)
+    rexml (3.3.3)
       strscan
     roo (2.10.1)
       nokogiri (~> 1)
diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index ee982b784..849732bc5 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -226,7 +226,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.3.2)
+    rexml (3.3.3)
       strscan
     rouge (3.26.0)
     ruby2_keywords (0.0.5)