diff --git a/package-lock.json b/package-lock.json
index f9aeaa7a..f148323b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,7 +24,7 @@
         "@mdi/js": "^7.4.47",
         "@polymer/paper-tooltip": "^3.0.1",
         "@types/w3c-web-serial": "^1.0.7",
-        "esptool-js": "^0.5.3",
+        "esptool-js": "^0.5.4",
         "improv-wifi-serial-sdk": "^2.5.0",
         "lit": "^2.8.0",
         "tslib": "^2.8.1",
@@ -2223,9 +2223,10 @@
       }
     },
     "node_modules/esptool-js": {
-      "version": "0.5.3",
-      "resolved": "https://registry.npmjs.org/esptool-js/-/esptool-js-0.5.3.tgz",
-      "integrity": "sha512-RAzlZ3+o2a5h+1EZ/ItNEkj4hhBuUtX/BFGiEh7OyF4pSxTIBsBu0oWE2o7THQ+oUgd+bn682SPQQr8Fl2LMDw==",
+      "version": "0.5.4",
+      "resolved": "https://registry.npmjs.org/esptool-js/-/esptool-js-0.5.4.tgz",
+      "integrity": "sha512-B+XcbbPBjfmnMHVGktGlNI85BbEIQs02y4hoYuqM25q6yVPqLE3bxce/KWtKXH4IGruWTkEujqdKxNeWEV2BDg==",
+      "license": "Apache-2.0",
       "dependencies": {
         "atob-lite": "^2.0.0",
         "pako": "^2.1.0",
@@ -6406,9 +6407,9 @@
       "dev": true
     },
     "esptool-js": {
-      "version": "0.5.3",
-      "resolved": "https://registry.npmjs.org/esptool-js/-/esptool-js-0.5.3.tgz",
-      "integrity": "sha512-RAzlZ3+o2a5h+1EZ/ItNEkj4hhBuUtX/BFGiEh7OyF4pSxTIBsBu0oWE2o7THQ+oUgd+bn682SPQQr8Fl2LMDw==",
+      "version": "0.5.4",
+      "resolved": "https://registry.npmjs.org/esptool-js/-/esptool-js-0.5.4.tgz",
+      "integrity": "sha512-B+XcbbPBjfmnMHVGktGlNI85BbEIQs02y4hoYuqM25q6yVPqLE3bxce/KWtKXH4IGruWTkEujqdKxNeWEV2BDg==",
       "requires": {
         "atob-lite": "^2.0.0",
         "pako": "^2.1.0",
diff --git a/package.json b/package.json
index 8dc0f31c..cdb52331 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "@mdi/js": "^7.4.47",
     "@polymer/paper-tooltip": "^3.0.1",
     "@types/w3c-web-serial": "^1.0.7",
-    "esptool-js": "^0.5.3",
+    "esptool-js": "^0.5.4",
     "improv-wifi-serial-sdk": "^2.5.0",
     "lit": "^2.8.0",
     "tslib": "^2.8.1",