diff --git a/backend/Gemfile.lock b/backend/Gemfile.lock
index 03cf9a69..5e8b0432 100644
--- a/backend/Gemfile.lock
+++ b/backend/Gemfile.lock
@@ -80,7 +80,7 @@ GEM
     concurrent-ruby (1.1.9)
     crass (1.0.6)
     erubi (1.10.0)
-    ffi (1.15.3)
+    ffi (1.15.5)
     globalid (1.0.0)
       activesupport (>= 5.0)
     i18n (1.10.0)
@@ -88,7 +88,7 @@ GEM
     jbuilder (2.11.5)
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
-    listen (3.7.0)
+    listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     loofah (2.14.0)
@@ -146,7 +146,7 @@ GEM
       rake (>= 12.2)
       thor (~> 1.0)
     rake (13.0.6)
-    rb-fsevent (0.11.0)
+    rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     regexp-examples (1.5.1)