diff --git a/lib/tags.js b/lib/tags.js
index 395ad04d..c9d08356 100644
--- a/lib/tags.js
+++ b/lib/tags.js
@@ -53,6 +53,7 @@ function getTags (modifiers = {}) {
     'amp-google-vrview-image': { version: '0.1' },
     'amp-hulu': { version: '0.1' },
     'amp-iframe': { version: '0.1' },
+    'amp-inline-gallery': { version: '0.1' },
     'amp-ima-video': { version: '0.1' },
     'amp-image-lightbox': { version: '0.1' },
     'amp-image-slider': { version: '0.1' },