diff --git a/package-lock.json b/package-lock.json
index 0a561700a..076c11c93 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1111,6 +1111,17 @@
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       }
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+    "asn1.js": {
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+      "resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-5.4.1.tgz",
+      "integrity": "sha512-+I//4cYPccV8LdmBLiX8CYvf9Sp3vQsrqu2QNXRcrbiWvcx/UdlFiqUJJzxRQxgsZmvhXhn4cSKeSmoFjVdupA==",
+      "requires": {
+        "bn.js": "^4.0.0",
+        "inherits": "^2.0.1",
+        "minimalistic-assert": "^1.0.0",
+        "safer-buffer": "^2.1.0"
+      }
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       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
@@ -1188,6 +1199,11 @@
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       "dev": true
     },
+    "bn.js": {
+      "version": "4.12.0",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+      "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
+    },
     "body-parser": {
       "version": "1.19.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
@@ -1913,13 +1929,20 @@
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-      "version": "8.0.1",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.0.1.tgz",
-      "integrity": "sha512-W+XLrggcDzlle47X/XnS7FXrXu9sDo+Ze9zpndeBxdgv88FHLm1HtmkhEwavruS6koanBjp098rUpHs65EmG7A==",
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
+      "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
       "requires": {
-        "graceful-fs": "^4.1.2",
+        "graceful-fs": "^4.2.0",
         "jsonfile": "^4.0.0",
         "universalify": "^0.1.0"
+      },
+      "dependencies": {
+        "graceful-fs": {
+          "version": "4.2.9",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.9.tgz",
+          "integrity": "sha512-NtNxqUcXgpW2iMrfqSfR73Glt39K+BLwWsPs94yR63v45T0Wbej7eRmL5cWfwEgqXnmjQp3zaJTshdRW/qC2ZQ=="
+        }
       }
     },
     "fs.realpath": {
@@ -2304,8 +2327,7 @@
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       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
-      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=",
-      "dev": true
+      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo="
     },
     "isarray": {
       "version": "1.0.0",
@@ -2429,6 +2451,14 @@
         "verror": "1.10.0"
       }
     },
+    "kruptein": {
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/kruptein/-/kruptein-2.2.3.tgz",
+      "integrity": "sha512-BTwprBPTzkFT9oTugxKd3WnWrX630MqUDsnmBuoa98eQs12oD4n4TeI0GbpdGcYn/73Xueg2rfnw+oK4dovnJg==",
+      "requires": {
+        "asn1.js": "^5.4.1"
+      }
+    },
     "lazy-ass": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/lazy-ass/-/lazy-ass-1.6.0.tgz",
@@ -2733,6 +2763,11 @@
         "mime-db": "1.40.0"
       }
     },
+    "minimalistic-assert": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz",
+      "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A=="
+    },
     "minimatch": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
@@ -3433,15 +3468,16 @@
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-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/session-file-store/-/session-file-store-1.3.0.tgz",
-      "integrity": "sha512-NKGM/77UDGbV4iMGhrbauMrmrBn0JrLVUpwAFYGZSgI+1SCQYZ+K/neFbkX6x7Z8Wd7gFuEV+35dfjrNUnzLrw==",
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/session-file-store/-/session-file-store-1.5.0.tgz",
+      "integrity": "sha512-60IZaJNzyu2tIeHutkYE8RiXVx3KRvacOxfLr2Mj92SIsRIroDsH0IlUUR6fJAjoTW4RQISbaOApa2IZpIwFdQ==",
       "requires": {
         "bagpipe": "^0.3.5",
         "fs-extra": "^8.0.1",
+        "kruptein": "^2.0.4",
         "object-assign": "^4.1.1",
         "retry": "^0.12.0",
-        "write-file-atomic": "1.3.1"
+        "write-file-atomic": "3.0.3"
       }
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@@ -3485,8 +3521,7 @@
     "signal-exit": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
-      "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=",
-      "dev": true
+      "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0="
     },
     "sirv": {
       "version": "0.4.2",
@@ -3510,11 +3545,6 @@
       "integrity": "sha1-7b+JA/ZvfOL46v1s7tZeJkyDGzU=",
       "dev": true
     },
-    "slide": {
-      "version": "1.1.6",
-      "resolved": "https://registry.npmjs.org/slide/-/slide-1.1.6.tgz",
-      "integrity": "sha1-VusCfWW00tzmyy4tMsTUr8nh1wc="
-    },
     "source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -3800,6 +3830,14 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
       "dev": true
     },
+    "typedarray-to-buffer": {
+      "version": "3.1.5",
+      "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz",
+      "integrity": "sha512-zdu8XMNEDepKKR+XYOXAVPtWui0ly0NtohUscw+UmaHiAWT8hrV1rr//H6V+0DvJ3OQ19S979M0laLfX8rm82Q==",
+      "requires": {
+        "is-typedarray": "^1.0.0"
+      }
+    },
     "uglify-js": {
       "version": "3.9.4",
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.9.4.tgz",
@@ -3950,13 +3988,14 @@
       "dev": true
     },
     "write-file-atomic": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-1.3.1.tgz",
-      "integrity": "sha1-fUW6MjFjKN0ex9kPYOvA2EW7dZo=",
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-3.0.3.tgz",
+      "integrity": "sha512-AvHcyZ5JnSfq3ioSyjrBkH9yW4m7Ayk8/9My/DD9onKeu/94fwrMocemO2QAJFAlnnDN+ZDS+ZjAR5ua1/PV/Q==",
       "requires": {
-        "graceful-fs": "^4.1.11",
         "imurmurhash": "^0.1.4",
-        "slide": "^1.1.5"
+        "is-typedarray": "^1.0.0",
+        "signal-exit": "^3.0.2",
+        "typedarray-to-buffer": "^3.1.5"
       }
     },
     "yauzl": {
diff --git a/package.json b/package.json
index 699bb117e..be80ffe22 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "marked": "^0.6.2",
     "node-fetch": "^2.1.2",
     "polka": "^0.5.2",
-    "session-file-store": "^1.2.0",
+    "session-file-store": "^1.5.0",
     "sirv": "^0.4.2"
   },
   "devDependencies": {