diff --git a/package-lock.json b/package-lock.json
index 0873b00..7071b40 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@oipwg/hdmw",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@oipwg/hdmw",
-      "version": "2.0.0",
+      "version": "2.0.1",
       "license": "MIT",
       "dependencies": {
         "@oipwg/bip32-utils": "^0.12.1",
@@ -36,7 +36,8 @@
         "jest": "^29.4.3",
         "jsdoc": "^4.0.2",
         "jsdoc-template": "git+https://github.com/oipwg/jsdoc-template.git",
-        "standard": "^17.0.0"
+        "standard": "^17.0.0",
+        "taffydb": "^2.7.3"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -9542,6 +9543,12 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/taffydb": {
+      "version": "2.7.3",
+      "resolved": "https://registry.npmjs.org/taffydb/-/taffydb-2.7.3.tgz",
+      "integrity": "sha512-GQ3gtYFSOAxSMN/apGtDKKkbJf+8izz5YfbGqIsUc7AMiQOapARZ76dhilRY2h39cynYxBFdafQo5HUL5vgkrg==",
+      "dev": true
+    },
     "node_modules/test-exclude": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-6.0.0.tgz",
@@ -17168,6 +17175,12 @@
       "integrity": "sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w==",
       "dev": true
     },
+    "taffydb": {
+      "version": "2.7.3",
+      "resolved": "https://registry.npmjs.org/taffydb/-/taffydb-2.7.3.tgz",
+      "integrity": "sha512-GQ3gtYFSOAxSMN/apGtDKKkbJf+8izz5YfbGqIsUc7AMiQOapARZ76dhilRY2h39cynYxBFdafQo5HUL5vgkrg==",
+      "dev": true
+    },
     "test-exclude": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-6.0.0.tgz",
diff --git a/package.json b/package.json
index 33cd2d6..08adf5a 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,8 @@
     "jest": "^29.4.3",
     "jsdoc": "^4.0.2",
     "jsdoc-template": "git+https://github.com/oipwg/jsdoc-template.git",
-    "standard": "^17.0.0"
+    "standard": "^17.0.0",
+    "taffydb": "^2.7.3"
   },
   "jest": {
     "testEnvironment": "node"