diff --git a/Gemfile.lock b/Gemfile.lock
index 21cd713a..de7cc9b1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -241,6 +241,7 @@ GEM
     gpgme (2.0.26)
       mini_portile2 (~> 2.7)
     gradients (0.0.2)
+    hana (1.3.7)
     hashdiff (1.2.1)
     http-accept (1.7.0)
     http-cookie (1.1.0)
@@ -264,9 +265,11 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (2.20.0)
-    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)
     language_server-protocol (3.17.0.5)
     libv8-node (24.12.0.1)
     libv8-node (24.12.0.1-aarch64-linux)
@@ -292,8 +295,8 @@ GEM
       net-smtp
     marcel (1.1.0)
     matrix (0.4.3)
-    mcp (0.9.2)
-      json-schema (>= 4.1)
+    mcp (0.23.0)
+      json_schemer (>= 2.4)
     method_source (1.1.0)
     mime-types (3.7.0)
       logger