diff --git a/.changeset/ninety-rice-repair.md b/.changeset/ninety-rice-repair.md
new file mode 100644
index 00000000..725addc6
--- /dev/null
+++ b/.changeset/ninety-rice-repair.md
@@ -0,0 +1,5 @@
+---
+"@cambly/syntax-core": minor
+---
+
+IconButton: make onClick required & fix modal close issue
diff --git a/packages/syntax-core/src/Modal/Modal.tsx b/packages/syntax-core/src/Modal/Modal.tsx
index ce30db69..cbe44055 100644
--- a/packages/syntax-core/src/Modal/Modal.tsx
+++ b/packages/syntax-core/src/Modal/Modal.tsx
@@ -215,6 +215,7 @@ export default function Modal({
                       accessibilityLabel={accessibilityCloseLabel}
                       color={image ? "primary" : "tertiary"}
                       on={image ? "darkBackground" : "lightBackground"}
+                      onClick={onDismiss}
                       size="sm"
                       icon={XIconCambio}
                     />