diff --git a/slides/reveal.js/package-lock.json b/slides/reveal.js/package-lock.json
index 209c4f2..aa193f8 100644
--- a/slides/reveal.js/package-lock.json
+++ b/slides/reveal.js/package-lock.json
@@ -1,11 +1,11 @@
 {
   "name": "reveal.js",
-  "version": "4.1.0",
+  "version": "4.1.2",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "version": "4.1.0",
+      "version": "4.1.2",
       "license": "MIT",
       "devDependencies": {
         "@babel/core": "^7.14.3",
@@ -7085,9 +7085,9 @@
       }
     },
     "node_modules/qs": {
-      "version": "6.10.1",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.10.1.tgz",
-      "integrity": "sha512-M528Hph6wsSVOBiYUnGf+K/7w0hNshs/duGsNXPUCLH5XAqjEtiPGwNONLV0tBH8NoGb0mvD5JubnUTrujKDTg==",
+      "version": "6.11.1",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.1.tgz",
+      "integrity": "sha512-0wsrzgTz/kAVIeuxSjnpGC56rzYtr6JT/2BwEvMaPhFIoYa1aGO8LbzuU1R0uUYQkLpWBTOj0l/CLAJB64J6nQ==",
       "dev": true,
       "dependencies": {
         "side-channel": "^1.0.4"
@@ -15220,9 +15220,9 @@
       }
     },
     "qs": {
-      "version": "6.10.1",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.10.1.tgz",
-      "integrity": "sha512-M528Hph6wsSVOBiYUnGf+K/7w0hNshs/duGsNXPUCLH5XAqjEtiPGwNONLV0tBH8NoGb0mvD5JubnUTrujKDTg==",
+      "version": "6.11.1",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.1.tgz",
+      "integrity": "sha512-0wsrzgTz/kAVIeuxSjnpGC56rzYtr6JT/2BwEvMaPhFIoYa1aGO8LbzuU1R0uUYQkLpWBTOj0l/CLAJB64J6nQ==",
       "dev": true,
       "requires": {
         "side-channel": "^1.0.4"