diff --git a/Gemfile.lock b/Gemfile.lock
index 13a7cba..5883ba1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,7 @@ GEM
       prism (>= 1.3.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
-    json (2.20.0)
+    json (2.21.2)
     json_schemer (2.5.0)
       bigdecimal
       hana (~> 1.3)