diff --git a/Gemfile.lock b/Gemfile.lock
index 6ba2c1353a3..d1c3960904e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -121,7 +121,7 @@ GEM
     date (3.3.4)
     debug_inspector (1.2.0)
     diff-lcs (1.5.1)
-    diffy (3.4.2)
+    diffy (3.4.3)
     digest (3.1.1)
     discourse-fonts (0.0.9)
     discourse-seed-fu (2.3.12)