diff --git a/assets/dora/Gemfile.lock b/assets/dora/Gemfile.lock
index 6f65abef7..9437b66b3 100644
--- a/assets/dora/Gemfile.lock
+++ b/assets/dora/Gemfile.lock
@@ -3,7 +3,7 @@ GEM
   specs:
     base64 (0.2.0)
     diff-lcs (1.5.1)
-    json (2.9.1)
+    json (2.10.0)
     logger (1.6.1)
     mustermann (3.0.3)
       ruby2_keywords (~> 0.0.1)
diff --git a/assets/dora/vendor/cache/json-2.10.0.gem b/assets/dora/vendor/cache/json-2.10.0.gem
new file mode 100644
index 000000000..ae8a2aa25
Binary files /dev/null and b/assets/dora/vendor/cache/json-2.10.0.gem differ
diff --git a/assets/dora/vendor/cache/json-2.9.1.gem b/assets/dora/vendor/cache/json-2.9.1.gem
deleted file mode 100644
index b8e6fde70..000000000
Binary files a/assets/dora/vendor/cache/json-2.9.1.gem and /dev/null differ