1 files changed, 3 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..64e3e1c
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,3 @@
+ruby '2.7.2'
+
+gem 'ruby2d', '3.1.4'