diff --git a/cashtab/package-lock.json b/cashtab/package-lock.json
--- a/cashtab/package-lock.json
+++ b/cashtab/package-lock.json
@@ -1,14 +1,14 @@
 {
     "name": "cashtab",
-    "version": "2.45.14",
+    "version": "2.45.15",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "cashtab",
-            "version": "2.45.14",
+            "version": "2.45.15",
             "dependencies": {
-                "@bitgo/utxo-lib": "^9.33.0",
+                "@bitgo/utxo-lib": "^11.0.0",
                 "@zxing/browser": "^0.1.4",
                 "bip39": "^3.0.2",
                 "bip66": "^1.1.5",
@@ -49,7 +49,7 @@
                 "buffer": "^6.0.3",
                 "camelcase": "^6.2.1",
                 "case-sensitive-paths-webpack-plugin": "^2.4.0",
-                "crypto-browserify": "^3.12.0",
+                "crypto-browserify": "^3.12.1",
                 "css-loader": "^6.5.1",
                 "css-minimizer-webpack-plugin": "^3.2.0",
                 "dotenv": "^10.0.0",
@@ -2482,9 +2482,9 @@
             "license": "ISC"
         },
         "node_modules/@bitgo/utxo-lib": {
-            "version": "9.40.0",
-            "resolved": "https://registry.npmjs.org/@bitgo/utxo-lib/-/utxo-lib-9.40.0.tgz",
-            "integrity": "sha512-8qnlfwrPpkJ9sAqxzxHEU70zWn8SxuQwo7QZpIVfI/w5+xXDYZ6tGI6WJkLT9eXUBuKONIPdDc3WcWX3c4jJPg==",
+            "version": "11.0.0",
+            "resolved": "https://registry.npmjs.org/@bitgo/utxo-lib/-/utxo-lib-11.0.0.tgz",
+            "integrity": "sha512-R4n9dC2gZdFNIP7ZAKlSh91M8SlMZO59U7+6mKYNXkkjW1Ld1yZw8PZZDWqsh6FwJySBgfkpPdQluajKIG3eOw==",
             "license": "MIT",
             "dependencies": {
                 "@bitgo/blake2b": "^3.2.4",
@@ -7954,26 +7954,30 @@
             }
         },
         "node_modules/crypto-browserify": {
-            "version": "3.12.0",
-            "resolved": "https://registry.npmjs.org/crypto-browserify/-/crypto-browserify-3.12.0.tgz",
-            "integrity": "sha512-fz4spIh+znjO2VjL+IdhEpRJ3YN6sMzITSBijk6FK2UvTqruSQW+/cCZTSNsMiZNvUeq0CqurF+dAbyiGOY6Wg==",
+            "version": "3.12.1",
+            "resolved": "https://registry.npmjs.org/crypto-browserify/-/crypto-browserify-3.12.1.tgz",
+            "integrity": "sha512-r4ESw/IlusD17lgQi1O20Fa3qNnsckR126TdUuBgAu7GBYSIPvdNyONd3Zrxh0xCwA4+6w/TDArBPsMvhur+KQ==",
             "dev": true,
             "license": "MIT",
             "dependencies": {
-                "browserify-cipher": "^1.0.0",
-                "browserify-sign": "^4.0.0",
-                "create-ecdh": "^4.0.0",
-                "create-hash": "^1.1.0",
-                "create-hmac": "^1.1.0",
-                "diffie-hellman": "^5.0.0",
-                "inherits": "^2.0.1",
-                "pbkdf2": "^3.0.3",
-                "public-encrypt": "^4.0.0",
-                "randombytes": "^2.0.0",
-                "randomfill": "^1.0.3"
+                "browserify-cipher": "^1.0.1",
+                "browserify-sign": "^4.2.3",
+                "create-ecdh": "^4.0.4",
+                "create-hash": "^1.2.0",
+                "create-hmac": "^1.1.7",
+                "diffie-hellman": "^5.0.3",
+                "hash-base": "~3.0.4",
+                "inherits": "^2.0.4",
+                "pbkdf2": "^3.1.2",
+                "public-encrypt": "^4.0.3",
+                "randombytes": "^2.1.0",
+                "randomfill": "^1.0.4"
             },
             "engines": {
-                "node": "*"
+                "node": ">= 0.10"
+            },
+            "funding": {
+                "url": "https://github.com/sponsors/ljharb"
             }
         },
         "node_modules/crypto-random-string": {
@@ -19375,9 +19379,9 @@
             "license": "MIT"
         },
         "node_modules/secp256k1": {
-            "version": "3.8.0",
-            "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-3.8.0.tgz",
-            "integrity": "sha512-k5ke5avRZbtl9Tqx/SA7CbY3NF6Ro+Sj9cZxezFzuBlLDmyqPiL8hJJ+EmzD8Ig4LUDByHJ3/iPOVoRixs/hmw==",
+            "version": "3.8.1",
+            "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-3.8.1.tgz",
+            "integrity": "sha512-tArjQw2P0RTdY7QmkNehgp6TVvQXq6ulIhxv8gaH6YubKG/wxxAoNKcbuXjDhybbc+b2Ihc7e0xxiGN744UIiQ==",
             "hasInstallScript": true,
             "license": "MIT",
             "dependencies": {
@@ -19386,7 +19390,7 @@
                 "bn.js": "^4.11.8",
                 "create-hash": "^1.2.0",
                 "drbg.js": "^1.0.1",
-                "elliptic": "^6.5.2",
+                "elliptic": "^6.5.7",
                 "nan": "^2.14.0",
                 "safe-buffer": "^5.1.2"
             },
diff --git a/cashtab/package.json b/cashtab/package.json
--- a/cashtab/package.json
+++ b/cashtab/package.json
@@ -1,6 +1,6 @@
 {
     "name": "cashtab",
-    "version": "2.45.14",
+    "version": "2.45.15",
     "private": true,
     "scripts": {
         "start": "node scripts/start.js",
@@ -25,7 +25,7 @@
         ]
     },
     "dependencies": {
-        "@bitgo/utxo-lib": "^9.33.0",
+        "@bitgo/utxo-lib": "^11.0.0",
         "@zxing/browser": "^0.1.4",
         "bip39": "^3.0.2",
         "bip66": "^1.1.5",
@@ -66,7 +66,7 @@
         "buffer": "^6.0.3",
         "camelcase": "^6.2.1",
         "case-sensitive-paths-webpack-plugin": "^2.4.0",
-        "crypto-browserify": "^3.12.0",
+        "crypto-browserify": "^3.12.1",
         "css-loader": "^6.5.1",
         "css-minimizer-webpack-plugin": "^3.2.0",
         "dotenv": "^10.0.0",