diff --git a/bin/obsohtml.js b/bin/obsohtml.js
index 48a1fbb..38f3e2a 100755
--- a/bin/obsohtml.js
+++ b/bin/obsohtml.js
@@ -8,12 +8,12 @@ const program = new Command();
 
 // List of obsolete or proprietary HTML elements
 const obsoleteElements = [
-  'acronym', 'applet', 'basefont', 'bgsound', 'big', 'blink', 'center', 'command', 'content', 'dir', 'element', 'font', 'frame', 'frameset', 'image', 'isindex', 'keygen', 'listing', 'marquee', 'menuitem', 'multicol', 'nextid', 'nobr', 'noembed', 'noframes', 'plaintext', 'shadow', 'spacer', 'strike', 'tt', 'xmp'
+  'acronym', 'applet', 'basefont', 'bgsound', 'big', 'blink', 'center', 'command', 'content', 'dir', 'element', 'font', 'frame', 'frameset', 'image', 'isindex', 'keygen', 'listing', 'marquee', 'menuitem', 'multicol', 'nextid', 'nobr', 'noembed', 'noframes', 'param', 'plaintext', 'rb', 'rtc', 'shadow', 'spacer', 'strike', 'tt', 'xmp'
 ];
 
 // List of obsolete or proprietary HTML attributes
 const obsoleteAttributes = [
-  'align', 'bgcolor', 'border', 'frameborder', 'marginwidth', 'marginheight', 'scrolling', 'valign', 'hspace', 'vspace', 'noshade', 'nowrap'
+  'align', 'background', 'bgcolor', 'border', 'frameborder', 'hspace', 'marginheight', 'marginwidth', 'noshade', 'nowrap', 'scrolling', 'valign', 'vspace'
 ];
 
 // Default project directory (user’s home directory)
diff --git a/package-lock.json b/package-lock.json
index e82bef9..a1eeb02 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@j9t/obsohtml",
-  "version": "1.6.3",
+  "version": "1.7.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@j9t/obsohtml",
-      "version": "1.6.3",
+      "version": "1.7.0",
       "license": "CC-BY-SA-4.0",
       "dependencies": {
         "chalk": "^5.3.0",
diff --git a/package.json b/package.json
index 6e950f2..fb1a0c1 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "@j9t/obsohtml",
   "description": "Find obsolete HTML elements and attributes",
   "author": "Jens Oliver Meiert",
-  "version": "1.6.3",
+  "version": "1.7.0",
   "license": "CC-BY-SA-4.0",
   "repository": {
     "type": "git",