diff --git a/.changeset/copy-button-focus.md b/.changeset/copy-button-focus.md
new file mode 100644
index 000000000..2632a0d3f
--- /dev/null
+++ b/.changeset/copy-button-focus.md
@@ -0,0 +1,5 @@
+---
+'@node-core/doc-kit-legacy': patch
+---
+
+Show a focus outline on the code block copy button
diff --git a/packages/node-legacy/src/legacy-html/assets/style.css b/packages/node-legacy/src/legacy-html/assets/style.css
index 9a80797b3..a877251f9 100644
--- a/packages/node-legacy/src/legacy-html/assets/style.css
+++ b/packages/node-legacy/src/legacy-html/assets/style.css
@@ -1032,7 +1032,6 @@ kbd {
 }
 
 .copy-button {
-  outline: none;
   font-size: 10px;
   color: #fff;
   background-color: var(--green1);
@@ -1055,6 +1054,11 @@ kbd {
   background-color: var(--green2);
 }
 
+.copy-button:focus-visible {
+  outline: 2px solid var(--color-text-primary);
+  outline-offset: 2px;
+}
+
 :root:not(.has-js) .copy-button {
   display: none;
 }