diff --git a/package-lock.json b/package-lock.json
index 06aaabed..9fc94f5c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
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-    "wordwrap": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
-      "dev": true
-    },
-    "world-calendars": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/world-calendars/-/world-calendars-1.0.3.tgz",
-      "integrity": "sha1-slxQMrokEo/8QdCfr0pewbnBQzU=",
-      "requires": {
-        "object-assign": "^4.1.0"
-      }
-    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
     },
     "ws": {
       "version": "6.2.0",
@@ -5904,22 +1654,6 @@
         "cssfilter": "0.0.10"
       }
     },
-    "xtend": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
-    },
-    "yargs": {
-      "version": "3.10.0",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
-      "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
-      "requires": {
-        "camelcase": "^1.0.2",
-        "cliui": "^2.1.0",
-        "decamelize": "^1.0.0",
-        "window-size": "0.1.0"
-      }
-    },
     "yauzl": {
       "version": "2.4.1",
       "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.4.1.tgz",
@@ -5928,14 +1662,6 @@
       "requires": {
         "fd-slicer": "~1.0.1"
       }
-    },
-    "zero-crossings": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/zero-crossings/-/zero-crossings-1.0.1.tgz",
-      "integrity": "sha1-xWK9MRNkPzRDokXRJAa4i2m5qf8=",
-      "requires": {
-        "cwise-compiler": "^1.0.0"
-      }
     }
   }
 }
diff --git a/package.json b/package.json
index 82dbbfe9..36f300c7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "MicrobeTrace",
-  "version": "0.4.5",
+  "version": "0.5.0",
   "main": "index.js",
   "author": "Tony Boyles <nsp3@cdc.gov>",
   "license": "Apache-2.0",