diff --git a/packages/tools-apple/package.json b/packages/tools-apple/package.json
index d73ee9db9..1a6788458 100644
--- a/packages/tools-apple/package.json
+++ b/packages/tools-apple/package.json
@@ -55,7 +55,7 @@
   },
   "dependencies": {
     "@rnx-kit/tools-shell": "^0.2.2",
-    "fast-xml-parser": "^5.3.4"
+    "fast-xml-parser": "^5.3.8"
   },
   "devDependencies": {
     "@rnx-kit/eslint-config": "*",
diff --git a/packages/tools-windows/package.json b/packages/tools-windows/package.json
index f7596aa04..3d12bb835 100644
--- a/packages/tools-windows/package.json
+++ b/packages/tools-windows/package.json
@@ -35,7 +35,7 @@
   },
   "dependencies": {
     "@rnx-kit/tools-shell": "^0.2.0",
-    "fast-xml-parser": "^5.3.4"
+    "fast-xml-parser": "^5.3.8"
   },
   "devDependencies": {
     "@rnx-kit/eslint-config": "*",
diff --git a/yarn.lock b/yarn.lock
index b5f4636d2..7ec7fa21e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5772,7 +5772,7 @@ __metadata:
     "@rnx-kit/tools-shell": "npm:^0.2.2"
     "@rnx-kit/tsconfig": "npm:*"
     "@types/node": "npm:^24.0.0"
-    fast-xml-parser: "npm:^5.3.4"
+    fast-xml-parser: "npm:^5.3.8"
   languageName: unknown
   linkType: soft
 
@@ -5895,7 +5895,7 @@ __metadata:
     "@rnx-kit/tools-shell": "npm:^0.2.0"
     "@rnx-kit/tsconfig": "npm:*"
     "@types/node": "npm:^24.0.0"
-    fast-xml-parser: "npm:^5.3.4"
+    fast-xml-parser: "npm:^5.3.8"
   languageName: unknown
   linkType: soft
 
@@ -10031,6 +10031,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"fast-xml-builder@npm:^1.0.0":
+  version: 1.0.0
+  resolution: "fast-xml-builder@npm:1.0.0"
+  checksum: 10c0/2631fda265c81e8008884d08944eeed4e284430116faa5b8b7a43a3602af367223b7bf01c933215c9ad2358b8666e45041bc038d64877156a2f88821841b3014
+  languageName: node
+  linkType: hard
+
 "fast-xml-parser@npm:^4.0.0, fast-xml-parser@npm:^4.4.1":
   version: 4.5.3
   resolution: "fast-xml-parser@npm:4.5.3"
@@ -10053,6 +10060,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"fast-xml-parser@npm:^5.3.8":
+  version: 5.4.1
+  resolution: "fast-xml-parser@npm:5.4.1"
+  dependencies:
+    fast-xml-builder: "npm:^1.0.0"
+    strnum: "npm:^2.1.2"
+  bin:
+    fxparser: src/cli/cli.js
+  checksum: 10c0/8c696438a0c64135faf93ea6a93879208d649b7c9a3293d30d6eb750dc7f766fd083c0df5a82786b60809c3ead64fad155f28dbed25efea91017aaf9f64c91e5
+  languageName: node
+  linkType: hard
+
 "fastest-levenshtein@npm:^1.0.7":
   version: 1.0.12
   resolution: "fastest-levenshtein@npm:1.0.12"