diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index cb3caffeb..de6c7d5f5 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.3.9)
     rouge (3.26.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
@@ -60,6 +60,7 @@ GEM
     unicode-display_width (1.7.0)
 
 PLATFORMS
+  x86_64-linux
   x86_64-linux-musl
 
 DEPENDENCIES