diff --git a/.changeset/lazy-beans-move.md b/.changeset/lazy-beans-move.md
new file mode 100644
index 00000000000..06ea4692668
--- /dev/null
+++ b/.changeset/lazy-beans-move.md
@@ -0,0 +1,5 @@
+---
+'@primer/react': patch
+---
+
+Update TypeScript types for deprecated ButtonClose to support React 18
diff --git a/src/deprecated/Button/ButtonClose.tsx b/src/deprecated/Button/ButtonClose.tsx
index e8ca9b4b1da..ca47928eb3b 100644
--- a/src/deprecated/Button/ButtonClose.tsx
+++ b/src/deprecated/Button/ButtonClose.tsx
@@ -23,7 +23,13 @@ const StyledButton = styled.button<SxProp>`
   ${sx};
 `
 
-const ButtonClose = forwardRef<HTMLButtonElement, ComponentProps<typeof StyledButton>>((props, ref) => {
+const ButtonClose = forwardRef<
+  HTMLButtonElement,
+  // Include {theme?: any} in the intersection as it mirrors the generated type
+  // from styled-components
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  React.ButtonHTMLAttributes<HTMLButtonElement> & {theme?: any} & SxProp
+>((props, ref) => {
   return (
     <StyledButton ref={ref} aria-label="Close" {...props}>
       <XIcon />