diff --git a/backend/Gemfile.lock b/backend/Gemfile.lock
index d9ce716..273b5bd 100644
--- a/backend/Gemfile.lock
+++ b/backend/Gemfile.lock
@@ -84,16 +84,16 @@ GEM
       regexp_parser (~> 1.5)
       xpath (~> 3.2)
     childprocess (3.0.0)
-    concurrent-ruby (1.1.6)
+    concurrent-ruby (1.1.10)
     crass (1.0.6)
     erubi (1.9.0)
     ffi (1.12.2)
     ffi (1.12.2-java)
     ffi (1.12.2-x64-mingw32)
     ffi (1.12.2-x86-mingw32)
-    globalid (0.4.2)
-      activesupport (>= 4.2.0)
-    i18n (1.8.2)
+    globalid (1.0.1)
+      activesupport (>= 5.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     jbuilder (2.10.0)
       activesupport (>= 5.0.0)
@@ -113,7 +113,7 @@ GEM
     mimemagic (0.3.5)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    minitest (5.14.0)
+    minitest (5.17.0)
     msgpack (1.3.3)
     msgpack (1.3.3-java)
     msgpack (1.3.3-x64-mingw32)
@@ -208,7 +208,7 @@ GEM
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2020.1)
       tzinfo (>= 1.0.0)
@@ -232,7 +232,7 @@ GEM
     websocket-extensions (0.1.4)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.3.0)
+    zeitwerk (2.6.6)
 
 PLATFORMS
   java