diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index ae728b9..b87db16 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -29,7 +29,7 @@
     "vscode": {
       "extensions": [
         // renovate: datasource=github-tags depName=anthropics/claude-code
-        "anthropic.claude-code@2.1.251",
+        "anthropic.claude-code@2.1.259",
         // renovate: datasource=github-tags depName=editorconfig/editorconfig-vscode
         "EditorConfig.EditorConfig@0.18.2"
       ],