diff --git a/backend/Gemfile.lock b/backend/Gemfile.lock
index 7de8002..5f5c0f7 100644
--- a/backend/Gemfile.lock
+++ b/backend/Gemfile.lock
@@ -65,15 +65,15 @@ GEM
       msgpack (~> 1.0)
     builder (3.2.4)
     byebug (11.1.3)
-    concurrent-ruby (1.1.8)
+    concurrent-ruby (1.1.10)
     crass (1.0.6)
     erubi (1.10.0)
     faker (2.17.0)
       i18n (>= 1.6, < 2)
     ffi (1.15.0)
-    globalid (0.4.2)
-      activesupport (>= 4.2.0)
-    i18n (1.8.10)
+    globalid (1.0.1)
+      activesupport (>= 5.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     jbuilder (2.11.2)
       activesupport (>= 5.0.0)
@@ -90,7 +90,7 @@ GEM
     method_source (1.0.0)
     mini_mime (1.0.3)
     mini_portile2 (2.5.1)
-    minitest (5.14.4)
+    minitest (5.17.0)
     msgpack (1.4.2)
     mysql2 (0.5.3)
     nio4r (2.5.7)
@@ -144,12 +144,12 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     thor (1.1.0)
-    tzinfo (2.0.4)
+    tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
     websocket-driver (0.7.3)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
-    zeitwerk (2.4.2)
+    zeitwerk (2.6.6)
 
 PLATFORMS
   ruby