diff --git a/mcp-client-ruby/Gemfile.lock b/mcp-client-ruby/Gemfile.lock
index 4f3af343..c8b0f0af 100644
--- a/mcp-client-ruby/Gemfile.lock
+++ b/mcp-client-ruby/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    anthropic (1.76.0)
+    anthropic (1.78.0)
       base64 (~> 0.1)
       connection_pool (>= 2, < 4)
       standardwebhooks (~> 1.0)
@@ -15,7 +15,7 @@ GEM
       hana (~> 1.3)
       regexp_parser (~> 2.0)
       simpleidn (~> 0.2)
-    mcp (1.6.1)
+    mcp (1.7.0)
       json_schemer (>= 2.4)
     regexp_parser (2.13.1)
     simpleidn (0.3.0)
diff --git a/weather-server-ruby/Gemfile.lock b/weather-server-ruby/Gemfile.lock
index 7ff0a2f6..f8ba4847 100644
--- a/weather-server-ruby/Gemfile.lock
+++ b/weather-server-ruby/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
       hana (~> 1.3)
       regexp_parser (~> 2.0)
       simpleidn (~> 0.2)
-    mcp (1.6.1)
+    mcp (1.7.0)
       json_schemer (>= 2.4)
     regexp_parser (2.13.1)
     simpleidn (0.3.0)