diff --git a/package-lock.json b/package-lock.json
index 70adf3c..8e74ce3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "nbgather",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1665,16 +1665,6 @@
         "@phosphor/signaling": "^1.3.0",
         "node-fetch": "^2.6.0",
         "ws": "^7.0.0"
-      },
-      "dependencies": {
-        "ws": {
-          "version": "7.2.0",
-          "resolved": "https://registry.npmjs.org/ws/-/ws-7.2.0.tgz",
-          "integrity": "sha512-+SqNqFbwTm/0DC18KYzIsMTnEWpLwJsiasW/O17la4iDRRIO9uaHbvKiAS3AHgTiuuWerK/brj4O6MYZkei9xg==",
-          "requires": {
-            "async-limiter": "^1.0.0"
-          }
-        }
       }
     },
     "@jupyterlab/statusbar": {
@@ -2422,7 +2412,8 @@
     "async-limiter": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz",
-      "integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ=="
+      "integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==",
+      "dev": true
     },
     "asynckit": {
       "version": "0.4.0",
@@ -6055,6 +6046,15 @@
           "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.3.0.tgz",
           "integrity": "sha512-39nnKffWz8xN1BU/2c79n9nB9HDzo0niYUqx6xyqUnyoAnQyyWpOTdZEeiCch8BBu515t4wp9ZmgVfVhn9EBpw==",
           "dev": true
+        },
+        "ws": {
+          "version": "5.2.3",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.3.tgz",
+          "integrity": "sha512-jZArVERrMsKUatIdnLzqvcfydI85dvd/Fp1u/VOpfdDWQ4c9qWXe+VIeAbQ5FrDwciAkr+lzofXLz3Kuf26AOA==",
+          "dev": true,
+          "requires": {
+            "async-limiter": "~1.0.0"
+          }
         }
       }
     },
@@ -9972,13 +9972,9 @@
       }
     },
     "ws": {
-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.2.tgz",
-      "integrity": "sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==",
-      "dev": true,
-      "requires": {
-        "async-limiter": "~1.0.0"
-      }
+      "version": "7.5.7",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.7.tgz",
+      "integrity": "sha512-KMvVuFzpKBuiIXW3E4u3mySRO2/mCHSyZDJQM5NQ9Q9KHWHWh0NHgfbRMLLrceUK5qAL4ytALJbpRMjixFZh8A=="
     },
     "xml-name-validator": {
       "version": "3.0.0",