diff --git a/docs-src/Gemfile.lock b/docs-src/Gemfile.lock
index 13b44d2..c64596b 100644
--- a/docs-src/Gemfile.lock
+++ b/docs-src/Gemfile.lock
@@ -65,7 +65,7 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.0.4.1)
+    activesupport (6.0.6.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -82,7 +82,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     commonmarker (0.23.6)
-    concurrent-ruby (1.1.9)
+    concurrent-ruby (1.2.0)
     contracts (0.16.1)
     css_parser (1.9.0)
       addressable
@@ -115,7 +115,7 @@ GEM
     middleman-syntax (3.2.0)
       middleman-core (>= 3.2)
       rouge (~> 3.2)
-    minitest (5.14.4)
+    minitest (5.17.0)
     oj (3.13.2)
     padrino-helpers (0.14.4)
       i18n (~> 0.6, >= 0.6.7)
@@ -151,12 +151,12 @@ GEM
     tilt (2.0.10)
     toml (0.3.0)
       parslet (>= 1.8.0, < 3.0.0)
-    tzinfo (1.2.10)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
     webrick (1.7.0)
-    zeitwerk (2.4.2)
+    zeitwerk (2.6.6)
 
 PLATFORMS
   ruby