diff --git a/gulpfile.js b/gulpfile.js
index 560dd98e1df8df..dde18417d1b573 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1447,6 +1447,7 @@ function buildLib(defines, dir) {
     gulp.src(
       [
         "src/{core,display,shared}/*.js",
+        "src/core/xfa/*.js",
         "!src/shared/{cffStandardStrings,fonts_utils}.js",
         "src/{pdf,pdf.worker}.js",
       ],
diff --git a/test/unit/clitests.json b/test/unit/clitests.json
index d4766617c17630..d5e1c312c71cd0 100644
--- a/test/unit/clitests.json
+++ b/test/unit/clitests.json
@@ -38,6 +38,7 @@
     "unicode_spec.js",
     "util_spec.js",
     "writer_spec.js",
+    "xfa_parser_spec.js",
     "xml_spec.js"
   ]
 }