diff --git a/Gemfile.lock b/Gemfile.lock
index b91b198..6d6344a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -75,7 +75,7 @@ GEM
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
       uri (>= 0.13.1)
-    addressable (2.8.9)
+    addressable (2.9.0)
       public_suffix (>= 2.0.2, < 8.0)
     aggregate_root (2.18.0)
       ruby_event_store (= 2.18.0)
@@ -84,7 +84,7 @@ GEM
     ast (2.4.3)
     base64 (0.3.0)
     bcrypt_pbkdf (1.1.2)
-    bigdecimal (4.1.0)
+    bigdecimal (4.1.2)
     bindex (0.8.1)
     bootsnap (1.23.0)
       msgpack (~> 1.2)
@@ -135,6 +135,7 @@ GEM
       raabro (~> 1.4)
     globalid (1.3.0)
       activesupport (>= 6.1)
+    hana (1.3.7)
     hashdiff (1.2.1)
     i18n (1.14.8)
       concurrent-ruby (~> 1.0)
@@ -149,9 +150,11 @@ GEM
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     json (2.19.3)
-    json-schema (6.2.0)
-      addressable (~> 2.8)
-      bigdecimal (>= 3.1, < 5)
+    json_schemer (2.5.0)
+      bigdecimal
+      hana (~> 1.3)
+      regexp_parser (~> 2.0)
+      simpleidn (~> 0.2)
     kamal (2.11.0)
       activesupport (>= 7.0)
       base64 (~> 0.2)
@@ -176,8 +179,8 @@ GEM
       net-pop
       net-smtp
     marcel (1.1.0)
-    mcp (0.12.0)
-      json-schema (>= 4.1)
+    mcp (0.20.0)
+      json_schemer (>= 2.4)
     mini_mime (1.1.5)
     minitest (6.0.2)
       drb (~> 2.0)
@@ -379,6 +382,7 @@ GEM
       zeitwerk (~> 2)
     ruby_llm-schema (0.3.0)
     securerandom (0.4.1)
+    simpleidn (0.2.3)
     solid_cache (1.0.10)
       activejob (>= 7.2)
       activerecord (>= 7.2)