diff --git a/Gemfile.lock b/Gemfile.lock
index 49ce80a..c7a84f7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,12 +53,12 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     memo_wise (1.7.0)
     mercenary (0.3.6)
-    nanoc (4.12.17)
+    nanoc (4.12.18)
       addressable (~> 2.5)
       colored (~> 1.2)
       nanoc-checking (~> 1.0, >= 1.0.2)
-      nanoc-cli (= 4.12.17)
-      nanoc-core (= 4.12.17)
+      nanoc-cli (= 4.12.18)
+      nanoc-core (= 4.12.18)
       nanoc-deploying (~> 1.0)
       parallel (~> 1.12)
       tty-command (~> 0.8)
@@ -66,12 +66,12 @@ GEM
     nanoc-checking (1.0.2)
       nanoc-cli (~> 4.12, >= 4.12.4)
       nanoc-core (~> 4.12, >= 4.12.4)
-    nanoc-cli (4.12.17)
+    nanoc-cli (4.12.18)
       cri (~> 2.15)
       diff-lcs (~> 1.3)
-      nanoc-core (= 4.12.17)
+      nanoc-core (= 4.12.18)
       zeitwerk (~> 2.1)
-    nanoc-core (4.12.17)
+    nanoc-core (4.12.18)
       concurrent-ruby (~> 1.1)
       ddmetrics (~> 1.0)
       ddplugin (~> 1.0)