diff --git a/backend-server/Gemfile b/backend-server/Gemfile
index ef4bfed..bed030e 100644
--- a/backend-server/Gemfile
+++ b/backend-server/Gemfile
@@ -26,7 +26,7 @@ gem 'ffi', '~> 1.15'
 
 # Testing
 group :test do
-  gem 'minitest', '~> 5.18'
+  gem 'minitest', '~> 6.0'
   gem 'rack-test', '~> 2.1'
   gem 'mocha', '~> 2.0'  # For mocking
 end
diff --git a/backend-server/Gemfile.lock b/backend-server/Gemfile.lock
index bfef740..5ec18bf 100644
--- a/backend-server/Gemfile.lock
+++ b/backend-server/Gemfile.lock
@@ -7,6 +7,7 @@ GEM
     connection_pool (3.0.2)
     csv (3.3.5)
     dotenv (2.8.1)
+    drb (2.2.3)
     ffi (1.17.3)
     ffi (1.17.3-x64-mingw-ucrt)
     ffi (1.17.3-x86_64-linux-gnu)
@@ -15,7 +16,9 @@ GEM
     language_server-protocol (3.17.0.5)
     logger (1.7.0)
     method_source (1.1.0)
-    minitest (5.27.0)
+    minitest (6.0.6)
+      drb (~> 2.0)
+      prism (~> 1.5)
     mocha (2.8.2)
       ruby2_keywords (>= 0.0.5)
     multi_json (1.20.0)
@@ -87,7 +90,7 @@ DEPENDENCIES
   dotenv (~> 2.8)
   ffi (~> 1.15)
   json (~> 2.19, >= 2.19.2)
-  minitest (~> 5.18)
+  minitest (~> 6.0)
   mocha (~> 2.0)
   pg (~> 1.5)
   pry (~> 0.14)
@@ -105,10 +108,12 @@ DEPENDENCIES
 CHECKSUMS
   base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
   bcrypt (3.1.22) sha256=1f0072e88c2d705d94aff7f2c5cb02eb3f1ec4b8368671e19112527489f29032
+  bundler (4.0.11) sha256=5bcec0fb78302e48d02ee46f10ee6e6942be647ba5b44a6d1ddfda9a240ce785
   coderay (1.1.3) sha256=dc530018a4684512f8f38143cd2a096c9f02a1fc2459edcfe534787a7fc77d4b
   connection_pool (3.0.2) sha256=33fff5ba71a12d2aa26cb72b1db8bba2a1a01823559fb01d29eb74c286e62e0a
   csv (3.3.5) sha256=6e5134ac3383ef728b7f02725d9872934f523cb40b961479f69cf3afa6c8e73f
   dotenv (2.8.1) sha256=c5944793349ae03c432e1780a2ca929d60b88c7d14d52d630db0508c3a8a17d8
+  drb (2.2.3) sha256=0b00d6fdb50995fe4a45dea13663493c841112e4068656854646f418fda13373
   ffi (1.17.3) sha256=0e9f39f7bb3934f77ad6feab49662be77e87eedcdeb2a3f5c0234c2938563d4c
   ffi (1.17.3-x64-mingw-ucrt) sha256=5f1d7d067a9a1058ad183dba25b05557cd51c85fc1768c49338eabc1cf242d7c
   ffi (1.17.3-x86_64-linux-gnu) sha256=3746b01f677aae7b16dc1acb7cb3cc17b3e35bdae7676a3f568153fb0e2c887f
@@ -117,7 +122,7 @@ CHECKSUMS
   language_server-protocol (3.17.0.5) sha256=fd1e39a51a28bf3eec959379985a72e296e9f9acfce46f6a79d31ca8760803cc
   logger (1.7.0) sha256=196edec7cc44b66cfb40f9755ce11b392f21f7967696af15d274dde7edff0203
   method_source (1.1.0) sha256=181301c9c45b731b4769bc81e8860e72f9161ad7d66dd99103c9ab84f560f5c5
-  minitest (5.27.0) sha256=2d3b17f8a36fe7801c1adcffdbc38233b938eb0b4966e97a6739055a45fa77d5
+  minitest (6.0.6) sha256=153ea36d1d987a62942382b61075745042a2b3123b1cd48f4c3675af9cc7d6f1
   mocha (2.8.2) sha256=1f77e729db47e72b4ef776461ce20caeec2572ffdf23365b0a03608fee8f4eee
   multi_json (1.20.0) sha256=c64106fae5114bd7f388d42d7b52ebb83d7726426d47a35ad5099e35bb923e41
   mustermann (3.0.4) sha256=85fadcb6b3c6493a8b511b42426f904b7f27b282835502233dd154daab13aa22