diff --git a/packages/components/src/components/code-block/base-code-block.tsx b/packages/components/src/components/code-block/base-code-block.tsx
index 7d05d717..54e114c5 100644
--- a/packages/components/src/components/code-block/base-code-block.tsx
+++ b/packages/components/src/components/code-block/base-code-block.tsx
@@ -147,6 +147,8 @@ const BaseCodeBlock = ({
             "--shiki-dark-bg": shikiBackgroundColors?.dark,
           } as React.CSSProperties
         }
+        // biome-ignore lint/a11y/noNoninteractiveTabindex: scrollable code blocks must be keyboard-focusable (axe: scrollable-region-focusable)
+        tabIndex={0}
       >
         {html ? (
           <div