diff --git a/Gemfile b/Gemfile
index 760fea8..a21752f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,3 +12,4 @@ gem "rubocop-rake"
 gem "rubocop-rspec"
 gem "simplecov", require: false, group: :test
 gem "tty-prompt"
+gem "bundler", "< 2.5" # 2.4.x is the latest that supports Ruby 2.7, which is the minimum required by Arkana
diff --git a/Gemfile.lock b/Gemfile.lock
index ee69308..7486b66 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -80,13 +80,14 @@ GEM
     yaml (0.3.0)
 
 PLATFORMS
-  arm64-darwin-21
   ruby
   x86_64-darwin-19
   x86_64-linux
+  arm64-darwin-23
 
 DEPENDENCIES
   arkana!
+  bundler (< 2.5)
   rake
   rspec
   rubocop
@@ -96,4 +97,4 @@ DEPENDENCIES
   tty-prompt
 
 BUNDLED WITH
-   2.5.9
+   2.3.27