diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-tools/browser-ui-test.version b/src/ci/docker/host-x86_64/x86_64-gnu-tools/browser-ui-test.version
index 899f24fc754a1..f514a2f0bd053 100644
--- a/src/ci/docker/host-x86_64/x86_64-gnu-tools/browser-ui-test.version
+++ b/src/ci/docker/host-x86_64/x86_64-gnu-tools/browser-ui-test.version
@@ -1 +1 @@
-0.9.0
\ No newline at end of file
+0.9.1
\ No newline at end of file
diff --git a/src/tools/rustdoc-gui/tester.js b/src/tools/rustdoc-gui/tester.js
index d75884567afee..8532410a1bf3a 100644
--- a/src/tools/rustdoc-gui/tester.js
+++ b/src/tools/rustdoc-gui/tester.js
@@ -138,7 +138,7 @@ async function main(argv) {
     try {
         // This is more convenient that setting fields one by one.
         let args = [
-            "--variable", "DOC_PATH", opts["doc_folder"],
+            "--variable", "DOC_PATH", opts["doc_folder"], "--enable-fail-on-js-error",
         ];
         if (opts["debug"]) {
             debug = true;