diff --git a/digdag-ui/package-lock.json b/digdag-ui/package-lock.json
index f27707bca1..66d4f24dfb 100644
--- a/digdag-ui/package-lock.json
+++ b/digdag-ui/package-lock.json
@@ -5538,9 +5538,9 @@
       }
     },
     "fstream": {
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-      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
-      "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
+      "version": "1.0.12",
+      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
+      "integrity": "sha512-WvJ193OHa0GHPEL+AycEJgxvBEwyfRkN1vhjca23OaPVMCaLCXTd5qAu82AjTcgP1UJmytkOKb63Ypde7raDIg==",
       "dev": true,
       "requires": {
         "graceful-fs": "^4.1.2",