diff --git a/bazel/deps.bzl b/bazel/deps.bzl
index 0b37e1f..6632665 100644
--- a/bazel/deps.bzl
+++ b/bazel/deps.bzl
@@ -6,6 +6,6 @@ def deps():
     if "build_bazel_rules_nodejs" not in excludes:
         http_archive(
             name = "build_bazel_rules_nodejs",
-            sha256 = "0f2de53628e848c1691e5729b515022f5a77369c76a09fbe55611e12731c90e3",
-            urls = ["https://github.com/bazelbuild/rules_nodejs/releases/download/2.0.1/rules_nodejs-2.0.1.tar.gz"],
+            sha256 = "4501158976b9da216295ac65d872b1be51e3eeb805273e68c516d2eb36ae1fbb",
+            urls = ["https://github.com/bazelbuild/rules_nodejs/releases/download/4.4.1/rules_nodejs-4.4.1.tar.gz"],
         )
diff --git a/bazel/test_external/BUILD b/bazel/test_external/BUILD
index 136b805..f2b720c 100644
--- a/bazel/test_external/BUILD
+++ b/bazel/test_external/BUILD
@@ -10,16 +10,37 @@ wasm_cc_binary(
     cc_target = ":hello-world",
 )
 
+BASE_LINKOPTS = [
+    "--bind",  # Enable embind
+    "-sMODULARIZE",
+]
+
+RELEASE_OPTS = [
+    "--closure 1",  # Run the closure compiler
+]
+
+DEBUG_OPTS = [
+    "--closure 0",  # Do not use closure
+]
+
+config_setting(
+    name = "release_opts",
+    values = {"compilation_mode": "opt"},
+)
+
+config_setting(
+    name = "debug_opts",
+    values = {"compilation_mode": "dbg"},
+)
+
 cc_binary(
     name = "hello-embind",
     srcs = ["hello-embind.cc"],
-    # It's probably a good idea to use select() and config_setting
-    # to add different linkopts to BASE_LINKOPTS depending on things
-    # like a "opt" or "dbg" compilation mode.
-    linkopts = [
-        "--bind",  # Enable embind
-        "-sMODULARIZE",
-    ],
+    linkopts = select({
+        ":debug_opts": BASE_LINKOPTS + DEBUG_OPTS,
+        ":release_opts": BASE_LINKOPTS + RELEASE_OPTS,
+        "//conditions:default": BASE_LINKOPTS + RELEASE_OPTS,
+    }),
     # This target won't build successfully on its own because of missing emscripten
     # headers etc. Therefore, we hide it from wildcards.
     tags = ["manual"],
diff --git a/test/test_bazel.sh b/test/test_bazel.sh
index ce1a13c..5b06692 100755
--- a/test/test_bazel.sh
+++ b/test/test_bazel.sh
@@ -26,4 +26,6 @@ bazel build //hello-world:hello-world-wasm-simd
 
 cd test_external
 bazel build //:hello-world-wasm
-bazel build //:hello-embind-wasm
+bazel build //:hello-embind-wasm --compilation_mode dbg # debug
+# Test use of the closure compiler
+bazel build //:hello-embind-wasm --compilation_mode opt # release