diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index cc364bd30aa6..bd12e35da319 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -76,18 +76,20 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.3.2)
+      strscan
     rouge (4.0.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
+    strscan (3.1.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     unicode-display_width (2.3.0)
     webrick (1.7.0)
 
 PLATFORMS
-  ruby
+  x86_64-linux
 
 DEPENDENCIES
   jekyll (~> 4.3.0)