diff --git a/extensions/custom-delivery-instructions/package.json b/extensions/custom-delivery-instructions/package.json
index b5383b9..c7a687d 100644
--- a/extensions/custom-delivery-instructions/package.json
+++ b/extensions/custom-delivery-instructions/package.json
@@ -4,7 +4,7 @@
   "version": "1.0.0",
   "license": "UNLICENSED",
   "dependencies": {
-    "preact": "^10.10.x",
+    "preact": "^10.27.x",
     "@preact/signals": "^2.3.x",
     "@shopify/ui-extensions": "2025.10.x"
   }
diff --git a/package-lock.json b/package-lock.json
index 790c6af..157d966 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -49,7 +49,7 @@
       "dependencies": {
         "@preact/signals": "^2.3.x",
         "@shopify/ui-extensions": "2025.10.x",
-        "preact": "^10.10.x"
+        "preact": "^10.27.x"
       }
     },
     "node_modules/@ardatan/relay-compiler": {
@@ -12910,9 +12910,9 @@
       "license": "MIT"
     },
     "node_modules/preact": {
-      "version": "10.27.2",
-      "resolved": "https://registry.npmjs.org/preact/-/preact-10.27.2.tgz",
-      "integrity": "sha512-5SYSgFKSyhCbk6SrXyMpqjb5+MQBgfvEKE/OC+PujcY34sOpqtr+0AZQtPYx5IA6VxynQ7rUPCtKzyovpj9Bpg==",
+      "version": "10.27.3",
+      "resolved": "https://registry.npmjs.org/preact/-/preact-10.27.3.tgz",
+      "integrity": "sha512-ZieIP3zQHiQsNF3BA+SNVS8dcuRIg/nsxlkFbCMBLS2L1Ww4Bkxd9n6Md2A1crfTZsEbQPADV0neYmh/EElgeQ==",
       "license": "MIT",
       "funding": {
         "type": "opencollective",