diff --git a/docs/build_version_doc/build_doc.sh b/docs/build_version_doc/build_doc.sh
index 5e1a2b700668..427f40c592a0 100755
--- a/docs/build_version_doc/build_doc.sh
+++ b/docs/build_version_doc/build_doc.sh
@@ -136,9 +136,13 @@ fi
 if [ $latest_tag != ${tag_list[0]} ]
 then
     total=${#tag_list[*]}
-    for (( i=0; i<=$(( $total -1 )); i++ ))
+    for (( i=0; i<=$(( $total - 1 )); i++ ))
+    
     do
         tests/ci_build/ci_build.sh doc python docs/build_version_doc/AddVersion.py --file_path "$web_folder/versions/${tag_list[$i]}" \
                                               --current_version "${tag_list[$i]}"
     done
+
+    # Update master version dropdown
+    tests/ci_build/ci_build.sh doc python docs/build_version_doc/AddVersion.py --file_path "$web_folder/versions/master" 
 fi