diff --git a/slides/reveal.js/package-lock.json b/slides/reveal.js/package-lock.json
index 612f8d3..1239bcf 100644
--- a/slides/reveal.js/package-lock.json
+++ b/slides/reveal.js/package-lock.json
@@ -6958,10 +6958,20 @@
       "license": "MIT"
     },
     "node_modules/js-yaml": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
-      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
+      "version": "4.3.2",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.3.2.tgz",
+      "integrity": "sha512-SFNOvSJ+Dgf/9An904Yx+CgSlIPCkIpao4qo51lpee25TIRejdH3rhR4EZMGoNx3/TP3O+wzWuiTFl4sqbltzA==",
       "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/nodeca"
+        }
+      ],
       "license": "MIT",
       "dependencies": {
         "argparse": "^2.0.1"
diff --git a/slides/reveal.js/package.json b/slides/reveal.js/package.json
index 89c5f6d..c19b07f 100644
--- a/slides/reveal.js/package.json
+++ b/slides/reveal.js/package.json
@@ -68,7 +68,7 @@
     "serialize-javascript": "^6.0.2",
     "tar-fs": "^2.1.2",
     "tmp": "^0.2.4",
-    "js-yaml": "^4.1.1",
+    "js-yaml": "^4.3.2",
     "qs": "^6.14.1",
     "lodash": "^4.17.23",
     "minimatch": "^5.1.8"