diff --git a/package-lock.json b/package-lock.json
index da376b8..29172f2 100644
--- a/package-lock.json
+++ b/package-lock.json
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diff --git a/packages/headless-inspector/package.json b/packages/headless-inspector/package.json
index 761a9cf..429362a 100644
--- a/packages/headless-inspector/package.json
+++ b/packages/headless-inspector/package.json
@@ -16,7 +16,7 @@
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diff --git a/packages/liff-inspector/package.json b/packages/liff-inspector/package.json
index 8b29f53..8aafa75 100644
--- a/packages/liff-inspector/package.json
+++ b/packages/liff-inspector/package.json
@@ -16,7 +16,7 @@
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-    "express": "4.19.2",
+    "express": "4.21.1",
     "ts-loader": "9.5.1",
     "webpack": "5.94.0",
     "webpack-cli": "5.1.4",