diff --git a/.changeset/quiet-cycles-complain.md b/.changeset/quiet-cycles-complain.md
new file mode 100644
index 00000000000..537566e9696
--- /dev/null
+++ b/.changeset/quiet-cycles-complain.md
@@ -0,0 +1,5 @@
+---
+'@firebase/webchannel-wrapper': patch
+---
+
+Fix the new `experimentalLongPollingOptions.timeoutSeconds` setting, which was released in v9.22.0 but didn't work.