diff --git a/Gemfile.lock b/Gemfile.lock
index 8367f4330..bba6157ee 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,7 +22,7 @@ GEM
       trollop
     i18n (0.5.0)
     jnunemaker-matchy (0.4.0)
-    json (1.5.3)
+    json (1.5.5)
     mocha (0.9.12)
     net-scp (1.0.4)
       net-ssh (>= 1.99.1)