diff --git a/Gemfile.lock b/Gemfile.lock
index 0b4a1fb..f5481b2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -126,7 +126,7 @@ GEM
       net-pop
       net-smtp
     marcel (1.0.4)
-    matrix (0.4.2)
+    matrix (0.4.3)
     method_source (1.1.0)
     mini_mime (1.1.5)
     minitest (5.25.4)