diff --git a/circuit-construction-kit-black-box-study_en.html b/circuit-construction-kit-black-box-study_en.html
index 64bb362..3f3b912 100644
--- a/circuit-construction-kit-black-box-study_en.html
+++ b/circuit-construction-kit-black-box-study_en.html
@@ -107,6 +107,7 @@
     '../sherpa/lib/lodash-4.17.4.js',
     '../sherpa/lib/FileSaver-b8054a2.js',
     '../sherpa/lib/himalaya-1.1.0.js',
+    '../sherpa/lib/flatqueue-1.2.1.js',
     '../sherpa/lib/he-1.1.1.js',
     '../assert/js/assert.js',
     '../query-string-machine/js/QueryStringMachine.js',