diff --git a/Gemfile.lock b/Gemfile.lock
index 9a5979a..f9e63c2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,17 +18,16 @@ GEM
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.7)
-    ffi (1.17.2)
-    formatador (1.2.2)
+    ffi (1.17.4)
+    formatador (1.2.3)
       reline
-    guard (2.19.1)
+    guard (2.20.1)
       formatador (>= 0.2.4)
       listen (>= 2.7, < 4.0)
       logger (~> 1.6)
       lumberjack (>= 1.0.12, < 2.0)
       nenv (~> 0.1)
       notiffany (~> 0.0)
-      ostruct (~> 0.6)
       pry (>= 0.13.0)
       shellany (~> 0.0)
       thor (>= 0.18.1)
@@ -38,11 +37,11 @@ GEM
       guard (~> 2.8)
       guard-compat (~> 1.0)
       multi_json (~> 1.8)
-    guard-nanoc (2.1.10)
+    guard-nanoc (2.1.11)
       guard (~> 2.8)
       guard-compat (~> 1.0)
-      nanoc-cli (~> 4.11, >= 4.11.14)
-      nanoc-core (~> 4.11, >= 4.11.14)
+      nanoc-cli (~> 4.14)
+      nanoc-core (~> 4.14)
     http_parser.rb (0.6.0)
     immutable-ruby (0.2.0)
       concurrent-ruby (~> 1.1)
@@ -51,7 +50,8 @@ GEM
     json_schema (0.21.0)
     kramdown (2.5.2)
       rexml (>= 3.4.4)
-    listen (3.9.0)
+    listen (3.10.0)
+      logger
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     logger (1.7.0)
@@ -103,7 +103,6 @@ GEM
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
-    ostruct (0.6.3)
     parallel (1.27.0)
     pastel (0.8.0)
       tty-color (~> 0.5)
@@ -144,7 +143,7 @@ GEM
     slow_enumerator_tools (1.1.0)
     sorted_set (1.1.0)
       rbtree
-    thor (1.4.0)
+    thor (1.5.0)
     tty-color (0.6.0)
     tty-command (0.10.1)
       pastel (~> 0.8)