diff --git a/packages/auth/buildtools/generate_test_files.sh b/packages/auth/buildtools/generate_test_files.sh
index cd5e56f151d..7e2542fbbb6 100755
--- a/packages/auth/buildtools/generate_test_files.sh
+++ b/packages/auth/buildtools/generate_test_files.sh
@@ -25,9 +25,13 @@ cd "$(dirname $(dirname "$0"))"
 mkdir -p generated
 
 echo "Generating dependency file..."
-python ../../node_modules/google-closure-library/closure/bin/build/depswriter.py \
-    --root_with_prefix="test ../../../../test" \
-    --root_with_prefix="src ../../../../src" \
+node $(npm bin)/closure-make-deps \
+    --closure-path="node_modules/google-closure-library/closure/goog" \
+    --file="node_modules/google-closure-library/closure/goog/deps.js" \
+    --root="test" \
+    --root="src" \
+    --exclude="src/debug.js" \
+    --exclude="src/externs.js" \
     > generated/deps.js
 
 echo "Generating test HTML files..."
diff --git a/packages/auth/package.json b/packages/auth/package.json
index 49b5d3ad4ee..0a4e733729c 100644
--- a/packages/auth/package.json
+++ b/packages/auth/package.json
@@ -26,6 +26,7 @@
   "devDependencies": {
     "firebase-tools": "9.1.0",
     "google-closure-compiler": "20200112.0.0",
+    "google-closure-deps": "^20210406.0.0",
     "google-closure-library": "20200830.0.0",
     "gulp": "4.0.2",
     "gulp-sourcemaps": "3.0.0"