diff --git a/Gemfile b/Gemfile
index fdd7d9c47..7514d7801 100644
--- a/Gemfile
+++ b/Gemfile
@@ -64,7 +64,7 @@ gem "wkhtmltopdf-binary", "~> 0.12.6"
 
 group :development, :test do
   gem "bullet", "~> 7.1.6"
-  gem "byebug", "~> 11.1.3"
+  gem "debug", "~> 1.9.2"
   gem "factory_bot_rails", "~> 6.4.3"
   gem "faker", "~> 3.2.3"
   gem "i18n-tasks", "~> 0.9.37"
diff --git a/Gemfile.lock b/Gemfile.lock
index 537e4b816..538c88148 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,7 +106,6 @@ GEM
     bullet (7.1.6)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
-    byebug (11.1.3)
     cancancan (3.5.0)
     capistrano (3.18.1)
       airbrussh (>= 1.0.0)
@@ -171,6 +170,9 @@ GEM
     daemons (1.4.1)
     dalli (3.2.8)
     date (3.3.4)
+    debug (1.9.2)
+      irb (~> 1.10)
+      reline (>= 0.3.8)
     delayed_job (4.1.11)
       activesupport (>= 3.0, < 8.0)
     delayed_job_active_record (4.1.8)
@@ -282,6 +284,10 @@ GEM
       ruby-vips (>= 2.0.17, < 3)
     invisible_captcha (2.3.0)
       rails (>= 5.2)
+    io-console (0.7.2)
+    irb (1.12.0)
+      rdoc
+      reline (>= 0.4.2)
     json (2.7.1)
     jwt (2.7.1)
     kaminari (1.2.2)
@@ -438,6 +444,8 @@ GEM
     pronto-stylelint (0.10.3)
       pronto (>= 0.10, < 0.12)
       rugged (>= 0.24, < 2.0)
+    psych (5.1.2)
+      stringio
     public_suffix (4.0.7)
     puma (5.6.8)
       nio4r (~> 2.0)
@@ -486,10 +494,14 @@ GEM
     rainbow (3.1.1)
     rake (13.1.0)
     rbtree3 (0.7.1)
+    rdoc (6.6.3.1)
+      psych (>= 4.0.0)
     recipient_interceptor (0.3.1)
       mail
     redcarpet (3.6.0)
     regexp_parser (2.9.0)
+    reline (0.5.1)
+      io-console (~> 0.5)
     request_store (1.6.0)
       rack (>= 1.4)
     responders (3.1.1)
@@ -615,6 +627,7 @@ GEM
       net-scp (>= 1.1.2)
       net-sftp (>= 2.1.2)
       net-ssh (>= 2.8.0)
+    stringio (3.1.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     terrapin (0.6.0)
@@ -683,7 +696,6 @@ DEPENDENCIES
   autoprefixer-rails (~> 10.4.16)
   bing_translator (~> 6.2.0)
   bullet (~> 7.1.6)
-  byebug (~> 11.1.3)
   cancancan (~> 3.5.0)
   capistrano (~> 3.18.1)
   capistrano-bundler (~> 2.1.0)
@@ -699,6 +711,7 @@ DEPENDENCIES
   cocoon (~> 1.2.15)
   daemons (~> 1.4.1)
   dalli (~> 3.2.8)
+  debug (~> 1.9.2)
   delayed_job_active_record (~> 4.1.8)
   devise (~> 4.9.3)
   devise-security (~> 0.18.0)
diff --git a/spec/models/machine_learning_spec.rb b/spec/models/machine_learning_spec.rb
index 1a0dd1735..a004b3fc9 100644
--- a/spec/models/machine_learning_spec.rb
+++ b/spec/models/machine_learning_spec.rb
@@ -378,6 +378,10 @@ describe MachineLearning do
   end
 
   describe "#run_machine_learning_scripts" do
+    let!(:original_fork_mode) { DEBUGGER__::CONFIG[:fork_mode] }
+    before { DEBUGGER__::CONFIG[:fork_mode] = "parent" }
+    after { DEBUGGER__::CONFIG[:fork_mode] = original_fork_mode }
+
     it "returns true if python script executed correctly" do
       machine_learning = MachineLearning.new(job)