diff --git a/Gemfile.lock b/Gemfile.lock
index 49ac2f7..9b497bb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,7 +21,7 @@ GEM
     file_exists (0.2.0)
     hana (1.3.7)
     json (2.6.3)
-    json_schemer (2.0.0)
+    json_schemer (2.1.0)
       hana (~> 1.3)
       regexp_parser (~> 2.0)
       simpleidn (~> 0.2)
@@ -158,7 +158,7 @@ GEM
       unicode-display_width (>= 1.1.1, < 3)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.8.2)
+    unf_ext (0.0.9.1)
     unicode-display_width (2.5.0)
     version_gem (1.1.3)
     yard (0.9.34)