diff --git a/.gitignore b/.gitignore
index 7ce330f..ccc1a44 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 LivreMaitriserBitcoin.code-workspace
 MB2EO-MY-BANNER_GITHUB.xcf
+.bundle
+Gemfile.lock
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..50c17b2
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,5 @@
+source 'https://rubygems.org'
+
+gem 'asciidoctor-pdf'
+gem 'prawn', github: 'prawnpdf/prawn'
+gem 'prawn-table', github: 'prawnpdf/prawn-table'
\ No newline at end of file