diff --git a/.changeset/beige-otters-sparkle.md b/.changeset/beige-otters-sparkle.md
new file mode 100644
index 0000000..808e51f
--- /dev/null
+++ b/.changeset/beige-otters-sparkle.md
@@ -0,0 +1,5 @@
+---
+'@graphcms/rich-text-html-renderer': patch
+---
+
+fix: add closing tag for iframe
diff --git a/packages/html-renderer/src/elements/IFrame.tsx b/packages/html-renderer/src/elements/IFrame.tsx
index 846cce5..ed94fd1 100644
--- a/packages/html-renderer/src/elements/IFrame.tsx
+++ b/packages/html-renderer/src/elements/IFrame.tsx
@@ -26,7 +26,7 @@ export function IFrame({ url }: Partial<IFrameProps>) {
         allow="fullscreen"
         frameBorder="0"
         referrerPolicy="no-referrer"
-      />
+      ></iframe>
     </div>
   `;
 }
diff --git a/packages/html-renderer/test/index.test.ts b/packages/html-renderer/test/index.test.ts
index b112057..f94ff9e 100644
--- a/packages/html-renderer/test/index.test.ts
+++ b/packages/html-renderer/test/index.test.ts
@@ -181,7 +181,7 @@ describe('@graphcms/rich-text-html-renderer', () => {
         allow="fullscreen"
         frameBorder="0"
         referrerPolicy="no-referrer"
-      />
+      ></iframe>
     </div>
   `);
   });