diff --git a/package.json b/package.json
index 63c8f14f3a..7267a513d2 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "classnames": "^2.3.1",
     "flexboxgrid": "^6.3.1",
     "flexboxgrid-helpers": "^1.1.3",
-    "js-slang": "^0.5.14",
+    "js-slang": "^0.5.15",
     "konva": "^7.2.5",
     "lodash": "^4.17.21",
     "lz-string": "^1.4.4",
@@ -104,7 +104,7 @@
     "@types/jest": "^26.0.24",
     "@types/lodash": "^4.14.172",
     "@types/lz-string": "^1.3.34",
-    "@types/node": "^16.4.13",
+    "@types/node": "^16.6.0",
     "@types/react": "^17.0.16",
     "@types/react-copy-to-clipboard": "^5.0.1",
     "@types/react-dom": "^17.0.9",
diff --git a/yarn.lock b/yarn.lock
index d2ef4c5635..9d446a68f2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2253,10 +2253,10 @@
   resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-3.0.5.tgz#1001cc5e6a3704b83c236027e77f2f58ea010f40"
   integrity sha512-Klz949h02Gz2uZCMGwDUSDS1YBlTdDDgbWHi+81l29tQALUtvz4rAYi5uoVhE5Lagoq6DeqAUlbrHvW/mXDgdQ==
 
-"@types/node@*", "@types/node@^16.4.13":
-  version "16.4.13"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-16.4.13.tgz#7dfd9c14661edc65cccd43a29eb454174642370d"
-  integrity sha512-bLL69sKtd25w7p1nvg9pigE4gtKVpGTPojBFLMkGHXuUgap2sLqQt2qUnqmVCDfzGUL0DRNZP+1prIZJbMeAXg==
+"@types/node@*", "@types/node@^16.6.0":
+  version "16.6.0"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-16.6.0.tgz#0d5685f85066f94e97f19e8a67fe003c5fadacc4"
+  integrity sha512-OyiZPohMMjZEYqcVo/UJ04GyAxXOJEZO/FpzyXxcH4r/ArrVoXHf4MbUrkLp0Tz7/p1mMKpo5zJ6ZHl8XBNthQ==
 
 "@types/normalize-package-data@^2.4.0":
   version "2.4.1"
@@ -8137,10 +8137,10 @@ jest@26.6.0:
     import-local "^3.0.2"
     jest-cli "^26.6.0"
 
-js-slang@^0.5.14:
-  version "0.5.14"
-  resolved "https://registry.yarnpkg.com/js-slang/-/js-slang-0.5.14.tgz#3654ab5db06fe434269b2f03cab4bd9f663c4d72"
-  integrity sha512-2/UZVQyMwFQpsHVA4i9bYl1q3GhleGF7RSYC0MTEJgxHNvHzln9Mpnpb8VtBMsf25vvKHynBUpdoGkQijpv5oA==
+js-slang@^0.5.15:
+  version "0.5.15"
+  resolved "https://registry.yarnpkg.com/js-slang/-/js-slang-0.5.15.tgz#fda868f5dcae188232e4438e0ed5348dad83efb8"
+  integrity sha512-1V6snCkQK2V6H+fNfPAEjpqkbwknpRTWAGuuUgCIq3Eeqy7de/cs+VKof8hQDC1e9EN6yY8bb0jvftzwWQMHGg==
   dependencies:
     "@joeychenofficial/alt-ergo-modified" "^2.4.0"
     "@types/estree" "0.0.50"