diff --git a/Gemfile.lock b/Gemfile.lock
index e8e69d8..e0595cd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,13 +6,13 @@ GEM
     cool.io (1.7.1)
     diff-lcs (1.5.0)
     docile (1.4.0)
-    fluentd (1.16.1)
+    fluentd (1.16.2)
       bundler
       cool.io (>= 1.4.5, < 2.0.0)
       http_parser.rb (>= 0.5.1, < 0.9.0)
       msgpack (>= 1.3.1, < 2.0.0)
       serverengine (>= 2.3.2, < 3.0.0)
-      sigdump (~> 0.2.2)
+      sigdump (~> 0.2.5)
       strptime (>= 0.2.4, < 1.0.0)
       tzinfo (>= 1.0, < 3.0)
       tzinfo-data (~> 1.0)
@@ -26,7 +26,7 @@ GEM
     json (2.6.3)
     kwalify (0.7.2)
     language_server-protocol (3.17.0.3)
-    msgpack (1.7.0)
+    msgpack (1.7.1)
     multi_json (1.15.0)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
@@ -91,7 +91,7 @@ GEM
     ruby2_keywords (0.0.5)
     serverengine (2.3.2)
       sigdump (~> 0.2.2)
-    sigdump (0.2.4)
+    sigdump (0.2.5)
     simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)