diff --git a/dockerfiles/fluentd-mozdef/Gemfile.lock b/dockerfiles/fluentd-mozdef/Gemfile.lock
index 81558acda..821aaf02c 100644
--- a/dockerfiles/fluentd-mozdef/Gemfile.lock
+++ b/dockerfiles/fluentd-mozdef/Gemfile.lock
@@ -1,11 +1,12 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.2.3)
+    activesupport (6.0.6.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
+      zeitwerk (~> 2.2, >= 2.2.2)
     addressable (2.6.0)
       public_suffix (>= 2.0.2, < 4.0)
     aws-eventstream (1.0.3)
@@ -18,7 +19,7 @@ GEM
       aws-sdk-core (= 2.11.273)
     aws-sigv4 (1.1.0)
       aws-eventstream (~> 1.0, >= 1.0.2)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.10)
     cool.io (1.5.4)
     dig_rb (1.0.1)
     domain_name (0.5.20180417)
@@ -61,7 +62,7 @@ GEM
       domain_name (~> 0.5)
     http-form_data (1.0.3)
     http_parser.rb (0.6.0)
-    i18n (1.6.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     jmespath (1.4.0)
     kubeclient (1.1.4)
@@ -73,7 +74,7 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    minitest (5.11.3)
+    minitest (5.17.0)
     msgpack (1.2.10)
     netrc (0.11.0)
     oj (3.5.1)
@@ -90,7 +91,7 @@ GEM
     systemd-journal (1.3.3)
       ffi (~> 1.9)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2019.1)
       tzinfo (>= 1.0.0)
@@ -98,6 +99,7 @@ GEM
       unf_ext
     unf_ext (0.0.7.6)
     yajl-ruby (1.4.1)
+    zeitwerk (2.6.6)
 
 PLATFORMS
   ruby