diff --git a/sidecar-dependent-app/Gemfile.lock b/sidecar-dependent-app/Gemfile.lock
index 7da8d19..623bc1f 100644
--- a/sidecar-dependent-app/Gemfile.lock
+++ b/sidecar-dependent-app/Gemfile.lock
@@ -5,7 +5,7 @@ GEM
     ethon (0.12.0)
       ffi (>= 1.3.0)
     ffi (1.10.0)
-    json (2.1.0)
+    json (2.3.0)
     mustermann (1.0.3)
     rack (2.0.6)
     rack-protection (2.0.4)