diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 1743f5b..665b90b 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -11,6 +11,7 @@ on:
     #
     # paths:
     # - some-subfolder/**
+  workflow_dispatch:
 
 # This job installs dependencies, builds the book, and pushes it to `gh-pages`
 jobs:
diff --git a/postBuild b/postBuild
index b9c9356..83ac013 100644
--- a/postBuild
+++ b/postBuild
@@ -2,7 +2,13 @@
 
 set -ex
 
-pip install -e ./bash_kernel
+pip install bash_kernel
 python -m bash_kernel.install
 
+mkdir path_files
 export PATH=/home/jovyan/path_files:$PATH
+cd path_files
+curl -LO https://github.com/jqnatividad/qsv/releases/download/0.128.0/qsv-0.128.0-x86_64-unknown-linux-gnu.zip
+unzip qsv-0.128.0-x86_64-unknown-linux-gnu.zip
+rm qsv*
+cd ..
\ No newline at end of file