diff --git a/package.json b/package.json
index bec5c2ba..11aff6b0 100644
--- a/package.json
+++ b/package.json
@@ -153,7 +153,7 @@
     "@ungap/weakmap": "^0.1.4",
     "disconnected": "^0.2.1",
     "domdiff": "^2.0.3",
-    "domtagger": "^0.3.1",
+    "domtagger": "^0.4.0",
     "hyperhtml-style": "^0.1.2",
     "hyperhtml-wire": "^2.1.0",
     "lightercollective": "^0.3.0"