diff --git a/docs/mkdocs.yml b/docs/mkdocs.yml
index e0b0ec09d6..4db23ffaaf 100644
--- a/docs/mkdocs.yml
+++ b/docs/mkdocs.yml
@@ -52,6 +52,7 @@ theme:
     - navigation.path
     - navigation.top
     - toc.follow
+    - content.code.copy
     - content.code.annotate
 
 extra: