diff --git a/package-lock.json b/package-lock.json
index 203e0e4..a3147b2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6249,14 +6249,6 @@
         "verror": "1.10.0"
       }
     },
-    "katex": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/katex/-/katex-0.6.0.tgz",
-      "integrity": "sha1-EkGOCRIcBckgQbazuftrqyE8tvM=",
-      "requires": {
-        "match-at": "^0.1.0"
-      }
-    },
     "keyv": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/keyv/-/keyv-3.1.0.tgz",
@@ -6557,25 +6549,12 @@
       "integrity": "sha1-m+4OmpkKljupbfaYDE/dsF37Tcw=",
       "dev": true
     },
-    "markdown-it-katex": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/markdown-it-katex/-/markdown-it-katex-2.0.3.tgz",
-      "integrity": "sha1-17hqGuoLnWSW+rTnkZoY/e9YnDk=",
-      "requires": {
-        "katex": "^0.6.0"
-      }
-    },
     "markdown-it-table-of-contents": {
       "version": "0.4.4",
       "resolved": "https://registry.npmjs.org/markdown-it-table-of-contents/-/markdown-it-table-of-contents-0.4.4.tgz",
       "integrity": "sha512-TAIHTHPwa9+ltKvKPWulm/beozQU41Ab+FIefRaQV1NRnpzwcV9QOe6wXQS5WLivm5Q/nlo0rl6laGkMDZE7Gw==",
       "dev": true
     },
-    "match-at": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/match-at/-/match-at-0.1.1.tgz",
-      "integrity": "sha512-h4Yd392z9mST+dzc+yjuybOGFNOZjmXIPKWjxBd1Bb23r4SmDOsk2NYCU2BMUBGbSpZqwVsZYNq26QS3xfaT3Q=="
-    },
     "md5.js": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/md5.js/-/md5.js-1.3.5.tgz",
@@ -8674,9 +8653,9 @@
       },
       "dependencies": {
         "qs": {
-          "version": "6.5.2",
-          "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
-          "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
+          "version": "6.5.3",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.3.tgz",
+          "integrity": "sha512-qxXIEh4pCGfHICj1mAJQ2/2XVZkjCDTcEgfoSQxc/fYivUZxTkk7L3bDBJSoNrEzXI17oUO5Dp07ktqE5KzczA==",
           "dev": true
         }
       }