diff --git a/web-animations-next-lite.dev.html b/web-animations-next-lite.dev.html
index bdcf3e0d..098f87fb 100644
--- a/web-animations-next-lite.dev.html
+++ b/web-animations-next-lite.dev.html
@@ -17,6 +17,7 @@
 <script src="src/scope.js"></script>
 <script src="src/timing-utilities.js"></script>
 <script src="src/normalize-keyframes.js"></script>
+<script src="src/shadow-handler.js"></script>
 <script src="src/deprecation.js"></script>
 <script src="src/keyframe-interpolations.js"></script>
 <script src="src/property-interpolation.js"></script>